The Collaborative International Dictionary of English v.0.48:

Yield \Yield\, v. t. [imp. & p. p. Yielded; obs. p. p. Yold;
   p. pr. & vb. n. Yielding.] [OE. yelden, [yogh]elden,
   [yogh]ilden, AS. gieldan, gildan, to pay, give, restore, make
   an offering; akin to OFries. jelda, OS. geldan, D. gelden to
   cost, to be worth, G. gelten, OHG. geltan to pay, restore,
   make an offering, be worth, Icel. gjalda to pay, give up,
   Dan. gielde to be worth, Sw. g[aum]lla to be worth, g[aum]lda
   to pay, Goth. gildan in fragildan, usgildan. Cf. 1st Geld,
   Guild.]
   [1913 Webster]
   1. To give in return for labor expended; to produce, as
      payment or interest on what is expended or invested; to
      pay; as, money at interest yields six or seven per cent.
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            To yelde Jesu Christ his proper rent. --Chaucer.
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            When thou tillest the ground, it shall not
            henceforth yield unto thee her strength. --Gen. iv.
                                                  12.
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   2. To furnish; to afford; to render; to give forth. "Vines
      yield nectar." --Milton.
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            [He] makes milch kine yield blood.    --Shak.
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            The wilderness yieldeth food for them and for their
            children.                             --Job xxiv. 5.
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   3. To give up, as something that is claimed or demanded; to
      make over to one who has a claim or right; to resign; to
      surrender; to relinquish; as a city, an opinion, etc.
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            And, force perforce, I'll make him yield the crown.
                                                  --Shak.
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            Shall yield up all their virtue, all their fame.
                                                  --Milton.
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   4. To admit to be true; to concede; to allow.
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            I yield it just, said Adam, and submit. --Milton.
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   5. To permit; to grant; as, to yield passage.
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   6. To give a reward to; to bless. [Obs.] --Chaucer.
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            Tend me to-night two hours, I ask no more,
            And the gods yield you for 't.        --Shak.
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            God yield thee, and God thank ye.     --Beau. & Fl.
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   To yield the breath, To yield the breath up, To yield
   the ghost, To yield the ghost up, To yield up the ghost,
      or To yield the life, to die; to expire; -- similar to
      To give up the ghost.
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            One calmly yields his willing breath. --Keble.
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The Collaborative International Dictionary of English v.0.48:

Yield \Yield\, v. i.
   1. To give up the contest; to submit; to surrender; to
      succumb.
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            He saw the fainting Grecians yield.   --Dryden.
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   2. To comply with; to assent; as, I yielded to his request.
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   3. To give way; to cease opposition; to be no longer a
      hindrance or an obstacle; as, men readily yield to the
      current of opinion, or to customs; the door yielded.
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            Will ye relent,
            And yield to mercy while 't is offered you? --Shak.
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   4. To give place, as inferior in rank or excellence; as, they
      will yield to us in nothing.
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            Nay tell me first, in what more happy fields
            The thistle springs, to which the lily yields?
                                                  --Pope.
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The Collaborative International Dictionary of English v.0.48:

Yield \Yield\, n.
   Amount yielded; product; -- applied especially to products
   resulting from growth or cultivation. "A goodly yield of
   fruit doth bring." --Bacon.
   [1913 Webster]

WordNet (r) 3.0 (2006):

yield
    n 1: production of a certain amount [syn: output, yield]
    2: the income or profit arising from such transactions as the
       sale of land or other property; "the average return was about
       5%" [syn: return, issue, take, takings, proceeds,
       yield, payoff]
    3: an amount of a product [syn: yield, fruit]
    4: the quantity of something (as a commodity) that is created
       (usually within a given period of time); "production was up
       in the second quarter" [syn: output, yield, production]
    v 1: be the cause or source of; "He gave me a lot of trouble";
         "Our meeting afforded much interesting information" [syn:
         yield, give, afford]
    2: end resistance, as under pressure or force; "The door yielded
       to repeated blows with a battering ram" [syn: give way,
       yield]
    3: give or supply; "The cow brings in 5 liters of milk"; "This
       year's crop yielded 1,000 bushels of corn"; "The estate
       renders some revenue for the family" [syn: render, yield,
       return, give, generate]
    4: give over; surrender or relinquish to the physical control of
       another [syn: concede, yield, cede, grant]
    5: give in, as to influence or pressure [syn: yield, relent,
       soften] [ant: remain firm, stand]
    6: move in order to make room for someone for something; "The
       park gave way to a supermarket"; "`Move over,' he told the
       crowd" [syn: move over, give way, give, ease up,
       yield]
    7: cause to happen or be responsible for; "His two singles gave
       the team the victory" [syn: give, yield]
    8: be willing to concede; "I grant you this much" [syn:
       concede, yield, grant]
    9: be fatally overwhelmed [syn: succumb, yield] [ant: come
       through, make it, pull round, pull through, survive]
    10: bring in; "interest-bearing accounts"; "How much does this
        savings certificate pay annually?" [syn: yield, pay,
        bear]
    11: be flexible under stress of physical force; "This material
        doesn't give" [syn: give, yield]
    12: cease opposition; stop fighting
    13: consent reluctantly [syn: yield, give in, succumb,
        knuckle under, buckle under]

Moby Thesaurus II by Grady Ward, 1.0:

362 Moby Thesaurus words for "yield":
   abandon, abdicate, abjure, accede, accept, accommodate,
   accommodate with, accord, acknowledge, acknowledge defeat, adapt,
   adapt to, adjust, adjust to, administer, admit, afford, aftermath,
   agree, agree provisionally, agree with, allot, allow, assent,
   assent grudgingly, assimilate to, avails, avow, award, back down,
   balance, be guided by, bear, bear fruit, bear up, bearing, bend,
   bestow, bestow on, bounce, bow, box office, break,
   break off combat, bring forth, bring in, bumper crop, capitulate,
   cater to, cave, cave in, cease, cease resistance, cede,
   chime in with, clothe, coddle, collapse, come apart, come unstuck,
   commissions, communicate, comply, comply with, compose, compound,
   compromise, concede, concur, condone, confer, confess, conform,
   conk out, consent, contribute, cop out, correct, correspond,
   cosset, countenance, credit, credits, crop, crumble, crumple,
   cry quits, deal, deal out, debate, decline, defer, deliberate,
   demur, desist from, discharge, discipline, disgorge, dish out,
   disintegrate, dispense, dispense with, disposable income,
   dispose of, dividend, dividends, do without, dole, dole out,
   donate, droop, drop, duck responsibility, dump, earn,
   earned income, earnings, eject, emit, endow, evade responsibility,
   express general agreement, extend, fade, fail, faint, fall in with,
   falter, favor, fear, fill, fill up, find, fit, fizzle out, flag,
   fold up, follow, forgo, fork out, forswear, fructify, fruit, fund,
   furnish, gain, gains, gate, gate receipts, gear to, generate, get,
   get along without, get rid of, gift, gift with, give,
   give and take, give away, give freely, give ground, give in,
   give out, give over, give place, give up, give way, give way to,
   go, go along with, go by, go fifty-fifty, go soft, go to pieces,
   grant, gratify, grin and abide, gross, gross income,
   gross receipts, hand in, hand out, hand over, hang back, harmonize,
   harvest, have done with, heap, hear, help to, hem and haw,
   hesitate, hit the skids, hold out, hover, hum and haw, humor,
   impart, income, indulge, intake, invest, issue, jib, keep,
   kiss good-bye, knuckle, knuckle under, languish, lavish, lay down,
   leave, leave off, let go by, let have, let pass, maintain, make,
   make a deal, make a sacrifice, make an adjustment, make available,
   make concessions, make conform, make provision for, meet,
   meet halfway, mete, mete out, mold, mollycoddle, net, net income,
   net receipts, not oppose, obey, oblige, observe, offer, output,
   overlook, own, pamper, part with, pause, pay, pay off, peg out,
   peter out, pine, play politics, please, ponder, poop out, pour,
   prepare, present, proceeds, produce, product, production, proffer,
   profit, profits, provide, provide for, pull back, quit the field,
   quitclaim, rain, reach a compromise, recant, receipt, receipts,
   receivables, recognize, reconcile, recruit, rectify, relax, relent,
   relinquish, render, render up, renounce, replenish, resign, resist,
   retract, retreat, return, returns, revenue, rise above, royalties,
   rub off corners, sacrifice, satisfy, scruple, second crop, serve,
   settle, shape, shell out, shilly-shally, shower, shrug,
   shrug it off, shy, sink, slip, snow, spare, split the difference,
   spoil, spring, spring back, stick at, stickle, stock,
   stop to consider, store, straddle the fence, straighten, strain at,
   strike a balance, strike a bargain, submit, submit to, subsidize,
   succumb, suit, supply, support, surrender, swear off, take,
   take the mean, take-in, takings, tally with, tender,
   think twice about, throughput, throw up, turn out, turn up,
   turnout, unbend, unearned income, vacate, vent, vintage, vouchsafe,
   waive, warrant, weaken, wear away, wear thin, wilt, withdraw,
   yield to