The Collaborative International Dictionary of English v.0.48:

Turn \Turn\ (t[^u]rn), v. t. [imp. & p. p. Turned (t[^u]rnd);
   p. pr. & vb. n. Turning.] [OE. turnen, tournen, OF.
   tourner, torner, turner, F. tourner, LL. tornare, fr. L.
   tornare to turn in a lathe, to round off, fr. tornus a lathe,
   Gr. to`rnos a turner's chisel, a carpenter's tool for drawing
   circles; probably akin to E. throw. See Throw, and cf.
   Attorney, Return, Tornado, Tour, Tournament.]
   1. To cause to move upon a center, or as if upon a center; to
      give circular motion to; to cause to revolve; to cause to
      move round, either partially, wholly, or repeatedly; to
      make to change position so as to present other sides in
      given directions; to make to face otherwise; as, to turn a
      wheel or a spindle; to turn the body or the head.
      [1913 Webster]

            Turn the adamantine spindle round.    --Milton.
      [1913 Webster]

            The monarch turns him to his royal guest. --Pope.
      [1913 Webster]

   2. To cause to present a different side uppermost or outmost;
      to make the upper side the lower, or the inside to be the
      outside of; to reverse the position of; as, to turn a box
      or a board; to turn a coat.
      [1913 Webster]

   3. To give another direction, tendency, or inclination to; to
      direct otherwise; to deflect; to incline differently; --
      used both literally and figuratively; as, to turn the eyes
      to the heavens; to turn a horse from the road, or a ship
      from her course; to turn the attention to or from
      something. "Expert when to advance, or stand, or, turn the
      sway of battle." --Milton.
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            Thrice I deluded her, and turned to sport
            Her importunity.                      --Milton.
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            My thoughts are turned on peace.      --Addison.
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   4. To change from a given use or office; to divert, as to
      another purpose or end; to transfer; to use or employ; to
      apply; to devote.
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            Therefore he slew him, and turned the kingdom unto
            David.                                --1 Chron. x.
                                                  14.
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            God will make these evils the occasion of a greater
            good, by turning them to advantage in this world.
                                                  --Tillotson.
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            When the passage is open, land will be turned most
            to cattle; when shut, to sheep.       --Sir W.
                                                  Temple.
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   5. To change the form, quality, aspect, or effect of; to
      alter; to metamorphose; to convert; to transform; -- often
      with to or into before the word denoting the effect or
      product of the change; as, to turn a worm into a winged
      insect; to turn green to blue; to turn prose into verse;
      to turn a Whig to a Tory, or a Hindu to a Christian; to
      turn good to evil, and the like.
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            The Lord thy God will turn thy captivity, and have
            compassion upon thee.                 --Deut. xxx.
                                                  3.
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            And David said, O Lord, I pray thee, turn the
            counsel of Ahithophel into foolishness. --2 Sam. xv.
                                                  31.
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            Impatience turns an ague into a fever. --Jer.
                                                  Taylor.
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   6. To form in a lathe; to shape or fashion (anything) by
      applying a cutting tool to it while revolving; as, to turn
      the legs of stools or tables; to turn ivory or metal.
      [1913 Webster]

            I had rather hear a brazen canstick turned. --Shak.
      [1913 Webster]

   7. Hence, to give form to; to shape; to mold; to put in
      proper condition; to adapt. "The poet's pen turns them to
      shapes." --Shak.
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            His limbs how turned, how broad his shoulders spread
            !                                     --Pope.
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            He was perfectly well turned for trade. --Addison.
      [1913 Webster]

   8. Specifically:
      (a) To translate; to construe; as, to turn the Iliad.
          [1913 Webster]

                Who turns a Persian tale for half a crown.
                                                  --Pope.
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      (b) To make acid or sour; to ferment; to curdle, etc.: as,
          to turn cider or wine; electricity turns milk quickly.
          [1913 Webster]
      (c) To sicken; to nauseate; as, an emetic turns one's
          stomach.
          [1913 Webster]

   9. To make a turn about or around (something); to go or pass
      around by turning; as, to turn a corner.

            The ranges are not high or steep, and one can turn a
            kopje instead of cutting or tunneling through it.
                                                  --James Bryce.

   To be turned of, to be advanced beyond; as, to be turned of
      sixty-six.

   To turn a cold shoulder to, to treat with neglect or
      indifference.

   To turn a corner,
      (a) to go round a corner.
      (b) [Fig.] To advance beyond a difficult stage in a
          project, or in life.

   To turn adrift, to cast off, to cease to care for.

   To turn a flange (Mech.), to form a flange on, as around a
      metal sheet or boiler plate, by stretching, bending, and
      hammering, or rolling the metal.

   To turn against.
      (a) To direct against; as, to turn one's arguments against
          himself.
      (b) To make unfavorable or hostile to; as, to turn one's
          friends against him.

   To turn a hostile army, To turn the enemy's flank, or the
      like (Mil.), to pass round it, and take a position behind
      it or upon its side.

   To turn a penny, or To turn an honest penny, to make a
      small profit by trade, or the like.

   To turn around one's finger, to have complete control of
      the will and actions of; to be able to influence at
      pleasure.

   To turn aside, to avert.

   To turn away.
      (a) To dismiss from service; to discard; as, to turn away
          a servant.
      (b) To avert; as, to turn away wrath or evil.

   To turn back.
      (a) To give back; to return.
          [1913 Webster]

                We turn not back the silks upon the merchants,
                When we have soiled them.         --Shak.
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      (b) To cause to return or retrace one's steps; hence, to
          drive away; to repel. --Shak.

   To turn down.
      (a) To fold or double down.
      (b) To turn over so as to conceal the face of; as, to turn
          down cards.
      (c) To lower, or reduce in size, by turning a valve,
          stopcock, or the like; as, turn down the lights.

   To turn in.
      (a) To fold or double under; as, to turn in the edge of
          cloth.
      (b) To direct inwards; as, to turn the toes in when
          walking.
      (c) To contribute; to deliver up; as, he turned in a large
          amount. [Colloq.]

   To turn in the mind, to revolve, ponder, or meditate upon;
      -- with about, over, etc. " Turn these ideas about in your
      mind." --I. Watts.

   To turn off.
      (a) To dismiss contemptuously; as, to turn off a sycophant
          or a parasite.
      (b) To give over; to reduce.
      (c) To divert; to deflect; as, to turn off the thoughts
          from serious subjects; to turn off a joke.
      (d) To accomplish; to perform, as work.
      (e) (Mech.) To remove, as a surface, by the process of
          turning; to reduce in size by turning.
      (f) To shut off, as a fluid, by means of a valve,
          stopcock, or other device; to stop the passage of; as,
          to turn off the water or the gas.

   To turn one's coat, to change one's uniform or colors; to
      go over to the opposite party.

   To turn one's goods or To turn one's money, and the like,
      to exchange in the course of trade; to keep in lively
      exchange or circulation; to gain or increase in trade.

   To turn one's hand to, to adapt or apply one's self to; to
      engage in.

   To turn out.
      (a) To drive out; to expel; as, to turn a family out of
          doors; to turn a man out of office.
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                I'll turn you out of my kingdom.  -- Shak.
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      (b) to put to pasture, as cattle or horses.
      (c) To produce, as the result of labor, or any process of
          manufacture; to furnish in a completed state.
      (d) To reverse, as a pocket, bag, etc., so as to bring the
          inside to the outside; hence, to produce.
      (e) To cause to cease, or to put out, by turning a
          stopcock, valve, or the like; as, to turn out the
          lights.

   To turn over.
      (a) To change or reverse the position of; to overset; to
          overturn; to cause to roll over.
      (b) To transfer; as, to turn over business to another
          hand.
      (c) To read or examine, as a book, while, turning the
          leaves. "We turned o'er many books together." --Shak.
      (d) To handle in business; to do business to the amount
          of; as, he turns over millions a year. [Colloq.]

   To turn over a new leaf. See under Leaf.

   To turn tail, to run away; to retreat ignominiously.

   To turn the back, to flee; to retreat.

   To turn the back on or

   To turn the back upon, to treat with contempt; to reject or
      refuse unceremoniously.

   To turn the corner, to pass the critical stage; to get by
      the worst point; hence, to begin to improve, or to
      succeed.

   To turn the die or To turn the dice, to change fortune.


   To turn the edge of or To turn the point of, to bend over
      the edge or point of so as to make dull; to blunt.

   To turn the head of or To turn the brain of, to make
      giddy, wild, insane, or the like; to infatuate; to
      overthrow the reason or judgment of; as, a little success
      turned his head.

   To turn the scale or To turn the balance, to change the
      preponderance; to decide or determine something doubtful;
      to tip the balance.

   To turn the stomach of, to nauseate; to sicken.

   To turn the tables, to reverse the chances or conditions of
      success or superiority; to give the advantage to the
      person or side previously at a disadvantage.

   To turn tippet, to make a change. [Obs.] --B. Jonson.

   To turn to profit, To turn to advantage, etc., to make
      profitable or advantageous.

   To turn turtle, to capsize bottom upward; -- said of a
      vessel. [Naut. slang]

   To turn under (Agric.), to put, as soil, manure, etc.,
      underneath from the surface by plowing, digging, or the
      like.

   To turn up.
      (a) To turn so as to bring the bottom side on top; as, to
          turn up the trump.
      (b) To bring from beneath to the surface, as in plowing,
          digging, etc.
      (c) To give an upward curve to; to tilt; as, to turn up
          the nose.

   To turn upon, to retort; to throw back; as, to turn the
      arguments of an opponent upon himself.

   To turn upside down, to confuse by putting things awry; to
      throw into disorder.
      [1913 Webster]

            This house is turned upside down since Robin Ostler
            died.                                 --Shak.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Turn \Turn\ (t[^u]rn), v. i.
   1. To move round; to have a circular motion; to revolve
      entirely, repeatedly, or partially; to change position, so
      as to face differently; to whirl or wheel round; as, a
      wheel turns on its axis; a spindle turns on a pivot; a man
      turns on his heel.
      [1913 Webster]

            The gate . . . on golden hinges turning. --Milton.
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   2. Hence, to revolve as if upon a point of support; to hinge;
      to depend; as, the decision turns on a single fact.
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            Conditions of peace certainly turn upon events of
            war.                                  --Swift.
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   3. To result or terminate; to come about; to eventuate; to
      issue.
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            If we repent seriously, submit contentedly, and
            serve him faithfully, afflictions shall turn to our
            advantage.                            --Wake.
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   4. To be deflected; to take a different direction or
      tendency; to be directed otherwise; to be differently
      applied; to be transferred; as, to turn from the road.
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            Turn from thy fierce wrath.           --Ex. xxxii.
                                                  12.
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            Turn ye, turn ye from your evil ways. --Ezek.
                                                  xxxiii. 11.
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            The understanding turns inward on itself, and
            reflects on its own operations.       --Locke.
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   5. To be changed, altered, or transformed; to become
      transmuted; also, to become by a change or changes; to
      grow; as, wood turns to stone; water turns to ice; one
      color turns to another; to turn Muslim.
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            I hope you have no intent to turn husband. --Shak.
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            Cygnets from gray turn white.         --Bacon.
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   6. To undergo the process of turning on a lathe; as, ivory
      turns well.
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   7. Specifically:
      [1913 Webster]
      (a) To become acid; to sour; -- said of milk, ale, etc.
          [1913 Webster]
      (b) To become giddy; -- said of the head or brain.
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                I'll look no more;
                Lest my brain turn.               --Shak.
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      (c) To be nauseated; -- said of the stomach.
          [1913 Webster]
      (d) To become inclined in the other direction; -- said of
          scales.
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      (e) To change from ebb to flow, or from flow to ebb; --
          said of the tide.
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      (f) (Obstetrics) To bring down the feet of a child in the
          womb, in order to facilitate delivery.
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   8. (Print.) To invert a type of the same thickness, as
      temporary substitute for any sort which is exhausted.
      [1913 Webster]

   To turn about, to face to another quarter; to turn around.


   To turn again, to come back after going; to return. --Shak.

   To turn against, to become unfriendly or hostile to.

   To turn aside or To turn away.
      (a) To turn from the direct course; to withdraw from a
          company; to deviate.
      (b) To depart; to remove.
      (c) To avert one's face.

   To turn back, to turn so as to go in an opposite direction;
      to retrace one's steps.

   To turn in.
      (a) To bend inward.
      (b) To enter for lodgings or entertainment.
      (c) To go to bed. [Colloq.]

   To turn into, to enter by making a turn; as, to turn into a
      side street.

   To turn off, to be diverted; to deviate from a course; as,
      the road turns off to the left.

   To turn on or To turn upon.
      (a) To turn against; to confront in hostility or anger.
      (b) To reply to or retort.
      (c) To depend on; as, the result turns on one condition.


   To turn out.
      (a) To move from its place, as a bone.
      (b) To bend or point outward; as, his toes turn out.
      (c) To rise from bed. [Colloq.]
      (d) To come abroad; to appear; as, not many turned out to
          the fire.
      (e) To prove in the result; to issue; to result; as, the
          crops turned out poorly.

   To turn over, to turn from side to side; to roll; to
      tumble.

   To turn round.
      (a) To change position so as to face in another direction.
      (b) To change one's opinion; to change from one view or
          party to another.

   To turn to, to apply one's self to; to have recourse to; to
      refer to. "Helvicus's tables may be turned to on all
      occasions." --Locke.

   To turn to account, profit, advantage, or the like, to
      be made profitable or advantageous; to become worth the
      while.

   To turn under, to bend, or be folded, downward or under.

   To turn up.
      (a) To bend, or be doubled, upward.
      (b) To appear; to come to light; to transpire; to occur;
          to happen.
          [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Turn \Turn\ (t[^u]rn), n.
   1. The act of turning; movement or motion about, or as if
      about, a center or axis; revolution; as, the turn of a
      wheel.
      [1913 Webster]

   2. Change of direction, course, or tendency; different order,
      position, or aspect of affairs; alteration; vicissitude;
      as, the turn of the tide.
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            At length his complaint took a favorable turn.
                                                  --Macaulay.
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            The turns and varieties of all passions. --Hooker.
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            Too well the turns of mortal chance I know. --Pope.
      [1913 Webster]

   3. One of the successive portions of a course, or of a series
      of occurrences, reckoning from change to change; hence, a
      winding; a bend; a meander.
      [1913 Webster]

            And all its [the river's] thousand turns disclose.
            Some fresher beauty varying round.    --Byron.
      [1913 Webster]

   4. A circuitous walk, or a walk to and fro, ending where it
      began; a short walk; a stroll.
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            Come, you and I must walk a turn together. --Shak.
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            I will take a turn in your garden.    --Dryden.
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   5. Successive course; opportunity enjoyed by alternation with
      another or with others, or in due order; due chance;
      alternate or incidental occasion; appropriate time.
      "Nobleness and bounty . . . had their turns in his [the
      king's] nature."
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            His turn will come to laugh at you again. --Denham.
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            Every one has a fair turn to be as great as he
            pleases.                              --Collier.
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   6. Incidental or opportune deed or office; occasional act of
      kindness or malice; as, to do one an ill turn.
      [1913 Webster]

            Had I not done a friendes turn to thee? --Chaucer.
      [1913 Webster]

            thanks are half lost when good turns are delayed.
                                                  --Fairfax.
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   7. Convenience; occasion; purpose; exigence; as, this will
      not serve his turn.
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            I have enough to serve mine own turn. --Shak.
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   8. Form; cast; shape; manner; fashion; -- used in a literal
      or figurative sense; hence, form of expression; mode of
      signifying; as, the turn of thought; a man of a sprightly
      turn in conversation.
      [1913 Webster]

            The turn of both his expressions and thoughts is
            unharmonious.                         --Dryden.
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            The Roman poets, in their description of a beautiful
            man, often mention the turn of his neck and arms.
                                                  --Addison.
      [1913 Webster]

   9. A change of condition; especially, a sudden or recurring
      symptom of illness, as a nervous shock, or fainting spell;
      as, a bad turn. [Colloq.]
      [1913 Webster]

   10. A fall off the ladder at the gallows; a hanging; -- so
       called from the practice of causing the criminal to stand
       on a ladder which was turned over, so throwing him off,
       when the signal was given. [Obs.]
       [1913 Webster]

   11. A round of a rope or cord in order to secure it, as about
       a pin or a cleat.
       [1913 Webster]

   12. (Mining) A pit sunk in some part of a drift.
       [1913 Webster]

   13. (Eng. Law) A court of record, held by the sheriff twice a
       year in every hundred within his county. --Blount.
       [1913 Webster]

   14. pl. (Med.) Monthly courses; menses. [Colloq.]
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   15. (Mus.) An embellishment or grace (marked thus, ?),
       commonly consisting of the principal note, or that on
       which the turn is made, with the note above, and the
       semitone below, the note above being sounded first, the
       principal note next, and the semitone below last, the
       three being performed quickly, as a triplet preceding the
       marked note. The turn may be inverted so as to begin with
       the lower note, in which case the sign is either placed
       on end thus ?, or drawn thus ?.
       [1913 Webster]

   By turns.
       (a) One after another; alternately; in succession.
       (b) At intervals. "[They] feel by turns the bitter
           change." --Milton.

   In turn, in due order of succession.

   To a turn, exactly; perfectly; as, done to a turn; -- a
      phrase alluding to the practice of cooking on a revolving
      spit.

   To take turns, to alternate; to succeed one another in due
      order.

   Turn and turn about, by equal alternating periods of
      service or duty; by turns.

   Turn bench, a simple portable lathe, used on a bench by
      clock makers and watchmakers.

   Turn buckle. See Turnbuckle, in Vocabulary.

   Turn cap, a sort of chimney cap which turns round with the
      wind so as to present its opening to the leeward. --G.
      Francis.

   Turn of life (Med.), change of life. See under Change.

   Turn screw, a screw driver.
      [1913 Webster]

WordNet (r) 3.0 (2006):

turn
    n 1: a circular segment of a curve; "a bend in the road"; "a
         crook in the path" [syn: bend, crook, twist, turn]
    2: the act of changing or reversing the direction of the course;
       "he took a turn to the right" [syn: turn, turning]
    3: (game) the activity of doing something in an agreed
       succession; "it is my turn"; "it is still my play" [syn:
       turn, play]
    4: an unforeseen development; "events suddenly took an awkward
       turn" [syn: turn, turn of events, twist]
    5: a movement in a new direction; "the turning of the wind"
       [syn: turning, turn]
    6: the act of turning away or in the opposite direction; "he
       made an abrupt turn away from her"
    7: turning or twisting around (in place); "with a quick twist of
       his head he surveyed the room" [syn: twist, turn]
    8: a time for working (after which you will be relieved by
       someone else); "it's my go"; "a spell of work" [syn: go,
       spell, tour, turn]
    9: (sports) a division during which one team is on the offensive
       [syn: turn, bout, round]
    10: a short theatrical performance that is part of a longer
        program; "he did his act three times every evening"; "she
        had a catchy little routine"; "it was one of the best
        numbers he ever did" [syn: act, routine, number,
        turn, bit]
    11: a favor for someone; "he did me a good turn" [syn: turn,
        good turn]
    12: taking a short walk out and back; "we took a turn in the
        park"
    v 1: change orientation or direction, also in the abstract
         sense; "Turn towards me"; "The mugger turned and fled
         before I could see his face"; "She turned from herself and
         learned to listen to others' needs"
    2: undergo a transformation or a change of position or action;
       "We turned from Socialism to Capitalism"; "The people turned
       against the President when he stole the election" [syn:
       change state, turn]
    3: undergo a change or development; "The water turned into ice";
       "Her former friend became her worst enemy"; "He turned
       traitor" [syn: become, turn]
    4: cause to move around or rotate; "turn a key"; "turn your palm
       this way"
    5: change to the contrary; "The trend was reversed"; "the tides
       turned against him"; "public opinion turned when it was
       revealed that the president had an affair with a White House
       intern" [syn: change by reversal, turn, reverse]
    6: pass to the other side of; "turn the corner"; "move around
       the obstacle" [syn: turn, move around]
    7: pass into a condition gradually, take on a specific property
       or attribute; become; "The weather turned nasty"; "She grew
       angry" [syn: turn, grow]
    8: let (something) fall or spill from a container; "turn the
       flour onto a plate" [syn: turn, release]
    9: move around an axis or a center; "The wheels are turning"
    10: cause to move around a center so as to show another side of;
        "turn a page of a book" [syn: turn, turn over]
    11: to send or let go; "They turned away the crowd at the gate
        of the governor's mansion"
    12: to break and turn over earth especially with a plow; "Farmer
        Jones plowed his east field last week"; "turn the earth in
        the Spring" [syn: plow, plough, turn]
    13: shape by rotating on a lathe or cutting device or a wheel;
        "turn the legs of the table"; "turn the clay on the wheel"
    14: change color; "In Vermont, the leaves turn early"
    15: twist suddenly so as to sprain; "wrench one's ankle"; "The
        wrestler twisted his shoulder"; "the hikers sprained their
        ankles when they fell"; "I turned my ankle and couldn't walk
        for several days" [syn: twist, sprain, wrench, turn,
        wrick, rick]
    16: cause to change or turn into something different;assume new
        characteristics; "The princess turned the frog into a prince
        by kissing him"; "The alchemists tried to turn lead into
        gold"
    17: accomplish by rotating; "turn a somersault"; "turn
        cartwheels"
    18: get by buying and selling; "the company turned a good profit
        after a year"
    19: cause to move along an axis or into a new direction; "turn
        your face to the wall"; "turn the car around"; "turn your
        dance partner around"
    20: channel one's attention, interest, thought, or attention
        toward or away from something; "The pedophile turned to boys
        for satisfaction"; "people turn to mysticism at the turn of
        a millennium"
    21: cause (a plastic object) to assume a crooked or angular
        form; "bend the rod"; "twist the dough into a braid"; "the
        strong man could turn an iron bar" [syn: flex, bend,
        deform, twist, turn] [ant: unbend]
    22: alter the functioning or setting of; "turn the dial to 10";
        "turn the heat down"
    23: direct at someone; "She turned a smile on me"; "They turned
        their flashlights on the car"
    24: have recourse to or make an appeal or request for help or
        information to; "She called on her Representative to help
        her"; "She turned to her relatives for help" [syn: call
        on, turn]
    25: go sour or spoil; "The milk has soured"; "The wine worked";
        "The cream has turned--we have to throw it out" [syn:
        sour, turn, ferment, work]
    26: become officially one year older; "She is turning 50 this
        year"

Moby Thesaurus II by Grady Ward, 1.0:

1107 Moby Thesaurus words for "turn":
   Charybdis, Platonic form, Platonic idea, S-curve, a thing for,
   aberrancy, aberration, about ship, about-face, access,
   acciaccatura, accommodation, accomplished fact, accomplishment,
   achievement, act, act of grace, act of kindness, acta, action,
   activate, adapt, adaptation, addle, adjustment, adventure,
   advert to, aesthetic form, affinity, afterpiece, agiotage, aim,
   aim at, air, airing, alienate, all the time, alter, alteration,
   alternate, alternately, always, ambit, amble, ameliorate,
   amelioration, an ear for, an eye for, anamorphism, anamorphosis,
   anchor watch, angle, angle off, animus, apostasy, appeal to,
   appear, apply, apply to, appoggiatura, aptitude, aptness,
   arabesque, arbitrage, arc, arch, archetype, arise, arouse, arrive,
   arsis, art form, assail, assemble, asymmetry, at every turn,
   attack, attend, avert, axe, back and fill, backing, backsliding,
   bad turn, balk, bate, be changed, be contingent on,
   be converted into, be here again, be hostile to, be renewed, bear,
   bear away, bear off, bear to starboard, bearing, beat, beat about,
   beat back, beat it, become, bend, bend back, bend to, bending,
   benefaction, benefit, benevolence, benignity, bent, betray,
   betterment, bias, bit, blessing, block, blow, blunt, bolt, boon,
   bore, bottom out, bout, bow, bowing, box off, branch off,
   branching off, break, break back, bring about, bring out,
   bring over, bring round, bring to light, brow, buckle, buckle down,
   build, bump, business deal, buying in, by turns, cadence, cadenza,
   call off, campaign, cant, cant round, capacity for, capsize,
   carriage, cashier, cast, cast about, chance, change, change back,
   change course, change into, change of heart, change the bearing,
   change the heading, changeableness, character, chaser, check,
   checker, chop, chop and change, circle, circuit, circuitousness,
   circulate, circulation, circumrotate, circumvolute, circumvolution,
   climacteric, clutch, coil, coin, color, coloratura, come,
   come about, come across, come again, come and go, come around,
   come into, come round, come round again, come up, come up again,
   commercial transaction, complexion, conatus, concern, concoct,
   conduce, conduciveness, configuration, conflexure, conformation,
   consider, constantly, constitution, constitutional, construct,
   construction, constructive change, continuity, contort, contortion,
   contribute, convergence of events, conversion, convert, cool off,
   corkscrew, corner, countenance, coup, course, courtesy, crack,
   crank, create, crinkle, crisis, critical juncture, critical point,
   crook, crookedness, crop up, crossroads, crucial period, crumple,
   crunch, cry back, curdle, curl, curtain, curtain call,
   curtain raiser, curve, cut, cut and run, cycle, day shift,
   deactivate, deal, dealings, decay, declination, decline, decurve,
   deed, defection, deflect, deflection, defy, degenerate,
   degeneration, degenerative change, delight, deliver, demeanor,
   deny, depart, depart from, departure, depend, depend on, depress,
   derange, deteriorate, deterioration, determine, detorsion, detour,
   detract, develop, deviance, deviancy, deviate, deviation, device,
   deviousness, diastole, diathesis, difference, diffract, diffuse,
   dig up, digress, digression, direct, direction, directionize,
   disaffect, disclose, discompose, discontinue, discontinuity,
   discover, discursion, disedge, disenchant, disenchantment, disgust,
   disillusion, dismiss, disorder, disperse, displease, dispose,
   disposition, disproportion, disservice, distort, distortion,
   divagate, divagation, divaricate, divarication, diverge,
   divergence, diversification, diversify, diversion, diversity,
   divert, divertimento, divertissement, division, dizzy round,
   do a flip-flop, do an about-face, dogleg, dogwatch, doing, doings,
   dome, double, double a point, downbeat, draw the teeth, dress,
   drift, drifting, drive, drive back, dull, eagerness, ebb and flow,
   eccentricity, eddy, effort, eject, embellishment, embow, emergency,
   employ, endeavor, energize, enterprise, epilogue, equip,
   equity capital, errantry, eventuate, everywhere, evict, evolve,
   exchange, excite, excursion, excursus, exigency, exode, exodus,
   exorbitation, expedition, expel, exploit, expose, expository scene,
   express, extinguish, extremity, fabricate, face, facial appearance,
   faculty, fait accompli, fancy, fascination, fashion, favor, feat,
   feature, features, feeling for, felicity, fend off, fetch about,
   figuration, figure, finale, find, finger, fioritura, fire, fit,
   fit out, fitting, fix, fix on, flair, flection, flee, flex,
   flexure, flier, flight, flip-flop, flop, flounder, flourish,
   fluctuate, flutter, forced march, form, format, formation,
   formulate, frame, fright, full circle, full time, garb,
   geanticline, genius, genius for, genre, geosyncline, gest,
   gift for, gimmick, give back, give in, gnarl, go, go about,
   go around, go back, go bad, go into, go off, go round,
   go through phases, go to bed, go to sleep, good deed, good offices,
   good turn, grace, grace note, gradual change, grain, grand tour,
   graveyard shift, guise, gurge, gybe, gyrate, gyration, gyre,
   hairpin, hairpin turn, half time, hand, hand in, hand over,
   handiwork, hang, happen, hark back, harm, haul around,
   have a tendency, have recourse to, head, heave round, heel, hike,
   hinge, hinge on, hit upon, hoke act, hold a heading, hold on, hook,
   hump, hunch, idiosyncrasy, imbalance, impassion, impression,
   improperly, improve, improvement, imprudently, in rotation,
   in succession, in turn, inappropriately, incidental,
   incidental note, inclination, incline, incurvate, incurve,
   indirection, indiscreetly, individualism, inflect, inflection,
   inform on, injury, innate aptitude, inner form, inning, innings,
   interlude, intermezzo, intermission, intermit, interpretation,
   intort, introduction, inverse, invert, irregularity, jar, jaunt,
   jibe, job, jolt, journey, junket, keel over, kick out, kidney,
   kind deed, kind offices, kindly act, kindness, knack, knock over,
   knot, knuckle down, labor of love, lap, lapse, layout, lead, lean,
   leaning, level at, liability, liking, lineaments, lines,
   liquidation, lobster trick, long mordent, look to, looks, loop,
   lopsidedness, lurch, maelstrom, make, make over, make up, makeup,
   maneuver, manner, manufacture, march, matrix, meander, measure,
   meet, meliorate, melioration, mental set, merchandise, mercy,
   mettle, mien, mind, mind-set, miss stays, mitigate, mitigation,
   mitzvah, modality, mode, model, modification, modify, modulate,
   modulation, mold, mordent, moulder, move, mush, mutate, mutation,
   mutiny, mutual affinity, mutual attraction, nature, nauseate,
   negotiation, night shift, number, obligation, oblique, obliquity,
   obtund, occur, offend, offer, office, operation, opportunity,
   orbit, ornament, oscillate, oust, out of order, out of turn,
   outing, overt act, overthrow, overtime, overturn, oxbow,
   package deal, package tour, parade, parry, part time, partiality,
   pass, pass into, passage, pattern, penchant, pendulate,
   peregrination, pererration, performance, peripatetic journey,
   peripateticism, physiognomy, pick up, pilgrimage, pinch, pirouette,
   pitch in, pivot, pivot about, place, pleasure trip, plunge, ply,
   point, point at, point to, ponder over, pop up, port, posture,
   pralltriller, predilection, predisposition, preference, prejudice,
   presence, present, prevent, probability, proceeding, proclivity,
   produce, production, proffer, profit taking, progress, prologue,
   promenade, proneness, propensity, prototype, prove, pull, pulsate,
   pulse, push, put, put about, put back, put off, put out,
   put together, putrefy, qualification, quirk, radical change,
   ramble, rambling, rat race, re-creation, readiness, realignment,
   reappear, rebel, rebuff, recidivation, recidivism, reciprocally,
   reclamation, reconversion, recur, recurve, redesign, redound to,
   reel, refashion, refer to, reflect, reflection, reflex, reform,
   reformation, refract, refuse, regress, regression, rehabilitation,
   reinstatement, reject, relapse, relate to, relay, relief, remaking,
   remodel, renewal, reoccur, reorganize, repeat, repel, repress,
   repulse, res gestae, reshape, reshaping, resort to, restitution,
   restoration, restructuring, result, retire, retrocession,
   retroflex, retrogradation, retrogression, retroversion, retund,
   return, returning, reveal, reversal, reverse, reversion, revert,
   reverting, revival, revive, revivification, revolt, revolution,
   revolve, revulsion, rick, ride, rig out, right-about,
   ring the changes, roll, roll around, rot, rotate, rotation,
   roulade, round, round a bend, round a corner, round a point,
   round trade, round trip, rounds, routine, rub, rubberneck tour,
   run, run away, sack, safari, sag, sally, saunter, say, scallop,
   scalping, scare, scatter, scene, schlep, scoot, scram, screw,
   seesaw, seizure, sell, sensitivity to, sequentially, series,
   serpentine, serve, service, set, set in motion, set toward,
   set upon, shape, sheer, shift, shifting, shifting course,
   shifting path, shock, shoot, shot, show a tendency, show up,
   shtick, shuffle, sicken, sight on, significant form,
   single mordent, sinuosity, skedaddle, sketch, skew, skit, slant,
   slew, slink, slipping back, slue, snake, soft spot, song and dance,
   sour, speculation, spell, spin, spiral, split schedule,
   split shift, spoil, spot sale, sprain, spring, stagger, stalk,
   stamp, stance, stand, stand-up comedy act, start, start up, steer,
   step, stimulate, stint, stockjobbery, stockjobbing, stop, strain,
   strait, straying, streak, stretch, stripe, striptease, stroke,
   stroll, structure, stunt, style, submit, successively,
   sudden change, sunrise watch, surface, surge, surprise, surrender,
   susceptibility, swag, sway, sweep, swerve, swerving, swing,
   swing round, swing shift, swing the stern, swinging, swirl, switch,
   switch off, switch on, swivel, sympathy, systole, tack,
   take a turn, take off, take turns, take up, talent, teeter,
   teeter-totter, tell on, temper, temperament, tend, tend to go,
   tendency, tender, tenor, terminate, thesis, thing, thing done,
   thrill, throw about, throw out, thwart, time, time at bat,
   titillate, tone, torsion, tortuosity, total change, totter, tour,
   tour de force, tour of duty, train, train upon, traipse, traits,
   tramp, transaction, transform, transition, transplace, transpose,
   trek, trend, trick, trip, tropism, trudge, turn a corner,
   turn a pirouette, turn about, turn against, turn around,
   turn aside, turn away, turn awry, turn back, turn down, turn for,
   turn in, turn into, turn of mind, turn of work, turn off, turn on,
   turn out, turn over, turn round, turn tail, turn the corner,
   turn to, turn turtle, turn up, turn upon, turn upside down,
   turnabout, turning, turning point, twine, twirl, twist,
   twist and turn, type, unbalance, uncover, undergo a change,
   undertaking, undo, undulate, unearth, unhinge, unsettle,
   unsymmetry, upbeat, upheaval, upset, use, vacillate, variation,
   variety, vary, vault, veer, veer around, venture, venture capital,
   verge, vibrate, violent change, visage, volte-face, vortex, voyage,
   walk, walking tour, wamble, wandering, warp, watch, waver,
   wax and wane, way, weaken, weakness, wear, wear ship, weave, whack,
   wheel, wheel about, wheel around, whip, whirl, whirlpool,
   whirlwind, whorl, willingness, wind, withdraw, wobble, work,
   work shift, work toward, work up, works, worm, worsen, worsening,
   wrench, wrest, wring, writhe, wrong, yaw, yield, zigzag



The Free On-line Dictionary of Computing (30 December 2018):

TURN

    An SMTP command with which a client
   asks the server to open an SMTP connection to the client,
   thus reversing their roles.

   Superseded by ETRN.

   (1997-11-21)