The Collaborative International Dictionary of English v.0.48:

Good \Good\, a. [Compar. Better; superl. Best. These words,
   though used as the comparative and superlative of good, are
   from a different root.] [AS. G[=o]d, akin to D. goed, OS.
   g[=o]d, OHG. guot, G. gut, Icel. g[=o][eth]r, Sw. & Dan. god,
   Goth. g[=o]ds; prob. orig., fitting, belonging together, and
   akin to E. gather. [root]29 Cf. Gather.]
   [1913 Webster]
   1. Possessing desirable qualities; adapted to answer the end
      designed; promoting success, welfare, or happiness;
      serviceable; useful; fit; excellent; admirable;
      commendable; not bad, corrupt, evil, noxious, offensive,
      or troublesome, etc.
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            And God saw everything that he had made, and behold,
            it was very good.                     --Gen. i. 31.
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            Good company, good wine, good welcome. --Shak.
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   2. Possessing moral excellence or virtue; virtuous; pious;
      religious; -- said of persons or actions.
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            In all things showing thyself a pattern of good
            works.                                --Tit. ii. 7.
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   3. Kind; benevolent; humane; merciful; gracious; polite;
      propitious; friendly; well-disposed; -- often followed by
      to or toward, also formerly by unto.
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            The men were very good unto us.       --1 Sam. xxv.
                                                  15.
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   4. Serviceable; suited; adapted; suitable; of use; to be
      relied upon; -- followed especially by for.
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            All quality that is good for anything is founded
            originally in merit.                  --Collier.
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   5. Clever; skillful; dexterous; ready; handy; -- followed
      especially by at.
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            He . . . is a good workman; a very good tailor.
                                                  --Shak.
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            Those are generally good at flattering who are good
            for nothing else.                     --South.
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   6. Adequate; sufficient; competent; sound; not fallacious;
      valid; in a commercial sense, to be depended on for the
      discharge of obligations incurred; having pecuniary
      ability; of unimpaired credit.
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            My reasons are both good and weighty. --Shak.
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            My meaning in saying he is a good man is . . . that
            he is sufficient . . . I think I may take his bond.
                                                  --Shak.
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   7. Real; actual; serious; as in the phrases in good earnest;
      in good sooth.
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            Love no man in good earnest.          --Shak.
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   8. Not small, insignificant, or of no account; considerable;
      esp., in the phrases a good deal, a good way, a good
      degree, a good share or part, etc.
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   9. Not lacking or deficient; full; complete.
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            Good measure, pressed down, and shaken together, and
            running over.                         --Luke vi. 38.
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   10. Not blemished or impeached; fair; honorable; unsullied;
       as in the phrases a good name, a good report, good
       repute, etc.
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             A good name is better than precious ointment.
                                                  --Eccl. vii.
                                                  1.
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   As good as. See under As.

   For good, or For good and all, completely and finally;
      fully; truly.
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            The good woman never died after this, till she came
            to die for good and all.              --L'Estrange.

   Good breeding, polite or polished manners, formed by
      education; a polite education.
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            Distinguished by good humor and good breeding.
                                                  --Macaulay.

   Good cheap, literally, good bargain; reasonably cheap.

   Good consideration (Law).
       (a) A consideration of blood or of natural love and
           affection. --Blackstone.
       (b) A valuable consideration, or one which will sustain a
           contract.

   Good fellow, a person of companionable qualities.
      [Familiar]

   Good folk, or Good people, fairies; brownies; pixies,
      etc. [Colloq. Eng. & Scot.]

   Good for nothing.
       (a) Of no value; useless; worthless.
       (b) Used substantively, an idle, worthless person.
           [1913 Webster]

                 My father always said I was born to be a good
                 for nothing.                     --Ld. Lytton.

   Good Friday, the Friday of Holy Week, kept in some churches
      as a fast, in memoory of our Savior's passion or
      suffering; the anniversary of the crucifixion.

   Good humor, or Good-humor, a cheerful or pleasant temper
      or state of mind.

   Good humor man, a travelling vendor who sells Good Humor
      ice-cream (or some similar ice-cream) from a small
      refrigerated truck; he usually drives slowly through
      residential neighborhoods in summertime, loudly playing
      some distinctive recorded music to announce his presence.
      [U. S.]

   Good nature, or Good-nature, habitual kindness or
      mildness of temper or disposition; amiability; state of
      being in good humor.
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            The good nature and generosity which belonged to his
            character.                            --Macaulay.
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            The young count's good nature and easy
            persuadability were among his best characteristics.
                                                  --Hawthorne.

   Good people. See Good folk (above).

   Good speed, good luck; good success; godspeed; -- an old
      form of wishing success. See Speed.

   Good turn, an act of kidness; a favor.

   Good will.
       (a) Benevolence; well wishing; kindly feeling.
       (b) (Law) The custom of any trade or business; the
           tendency or inclination of persons, old customers and
           others, to resort to an established place of
           business; the advantage accruing from tendency or
           inclination.
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                 The good will of a trade is nothing more than
                 the probability that the old customers will
                 resort to the old place.         --Lord Eldon.

   In good time.
       (a) Promptly; punctually; opportunely; not too soon nor
           too late.
       (b) (Mus.) Correctly; in proper time.

   To hold good, to remain true or valid; to be operative; to
      remain in force or effect; as, his promise holds good; the
      condition still holds good.

   To make good, to fulfill; to establish; to maintain; to
      supply (a defect or deficiency); to indemmify; to prove or
      verify (an accusation); to prove to be blameless; to
      clear; to vindicate.
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            Each word made good and true.         --Shak.
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            Of no power to make his wishes good.  --Shak.
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            I . . . would by combat make her good. --Shak.
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            Convenient numbers to make good the city. --Shak.

   To think good, to approve; to be pleased or satisfied with;
      to consider expedient or proper.
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            If ye think good, give me my price; and if not,
            forbear.                              --Zech. xi.
                                                  12.
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   Note: Good, in the sense of wishing well, is much used in
         greeting and leave-taking; as, good day, good night,
         good evening, good morning, etc.
         [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Best \Best\ (b[e^]st), a.; superl. of Good. [AS. besta, best,
   contr. from betest, betst, betsta; akin to Goth. batists,
   OHG. pezzisto, G. best, beste, D. best, Icel. beztr, Dan.
   best, Sw. b[aum]st. This word has no connection in origin
   with good. See Better.]
   1. Having good qualities in the highest degree; most good,
      kind, desirable, suitable, etc.; most excellent; as, the
      best man; the best road; the best cloth; the best
      abilities.
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            When he is best, he is a little worse than a man.
                                                  --Shak.
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            Heaven's last, best gift, my ever new delight.
                                                  --Milton.
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   2. Most advanced; most correct or complete; as, the best
      scholar; the best view of a subject.
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   3. Most; largest; as, the best part of a week.
      [1913 Webster]

   Best man, the only or principal groomsman at a wedding
      ceremony.
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The Collaborative International Dictionary of English v.0.48:

Best \Best\, n.
   Utmost; highest endeavor or state; most nearly perfect thing,
   or being, or action; as, to do one's best; to the best of our
   ability.
   [1913 Webster]

   At best, in the utmost degree or extent applicable to the
      case; under the most favorable circumstances; as, life is
      at best very short.

   For best, finally. [Obs.] "Those constitutions . . . are
      now established for best, and not to be mended." --Milton.

   To get the best of, to gain an advantage over, whether
      fairly or unfairly.

   To make the best of.
   (a) To improve to the utmost; to use or dispose of to the
       greatest advantage. "Let there be freedom to carry their
       commodities where they can make the best of them."
       --Bacon.
   (b) To reduce to the least possible inconvenience; as, to
       make the best of ill fortune or a bad bargain.
       [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Best \Best\, adv.; superl. of Well.
   1. In the highest degree; beyond all others. "Thou serpent!
      That name best befits thee." --Milton.
      [1913 Webster]

            He prayeth best, who loveth best
            All things both great and small.      --Coleridge.
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   2. To the most advantage; with the most success, case,
      profit, benefit, or propriety.
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            Had we best retire? I see a storm.    --Milton.
      [1913 Webster]

            Had I not best go to her?             --Thackeray.
      [1913 Webster]

   3. Most intimately; most thoroughly or correctly; as, what is
      expedient is best known to himself.
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The Collaborative International Dictionary of English v.0.48:

Best \Best\, v. t.
   To get the better of. [Colloq.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

best
    adv 1: in a most excellent way or manner; "he played best after
           a couple of martinis"
    2: it would be sensible; "you'd best stay at home"
    3: from a position of superiority or authority; "father knows
       best"; "I know better." [syn: better, best]
    adj 1: (superlative of `good') having the most positive
           qualities; "the best film of the year"; "the best
           solution"; "the best time for planting"; "wore his best
           suit" [ant: worst]
    2: (comparative and superlative of `well') wiser or more
       advantageous and hence advisable; "it would be better to
       speak to him"; "the White House thought it best not to
       respond" [syn: better(p), best(p)]
    n 1: the supreme effort one can make; "they did their best"
         [ant: worst]
    2: the person who is most outstanding or excellent; someone who
       tops all others; "he could beat the best of them" [syn:
       best, topper]
    3: Canadian physiologist (born in the United States) who
       assisted F. G. Banting in research leading to the discovery
       of insulin (1899-1978) [syn: Best, C. H. Best, Charles
       Herbert Best]
    v 1: get the better of; "the goal was to best the competition"
         [syn: outdo, outflank, trump, best, scoop]

Moby Thesaurus II by Grady Ward, 1.0:

168 Moby Thesaurus words for "best":
   aristocracy, barons, bear the palm, beat, beat all hollow,
   beat hollow, better, bottom, cap, champion, choice, chosen,
   clobber, conquer, cream, crush, cut, defeat, destroy, do in, drub,
   elect, elite, establishment, exceed, excel, excellent, exemplar,
   fat, finery, finest, first, first-class, first-rate, fix, flower,
   for the best, foremost, gem, giveaway, go one better, greater,
   greatest, half-price, handpicked, hide, highest, hors de combat,
   improve on, kindest, lambaste, largest, lather, lick,
   lords of creation, lowest, marked down, master, matchless, maximal,
   maximum, model, most, nobility, nonesuch, nonpareil, optimal,
   optimum, outclass, outdo, outfight, outgeneral, outmaneuver,
   outpoint, outrun, outsail, outshine, outstrip, outweigh, outwit,
   overbalance, overbear, overcome, overlapping, overpass, overpower,
   overtop, overwhelm, paragon, paramount, pattern, peerless, perfect,
   pick, picked, power elite, power structure, predominate,
   preponderate, prevail, prevail over, pride, prime, primrose, prize,
   put, queen, quintessence, quintessential, reduced, richest,
   rise above, rock-bottom, rout, ruin, ruling circles, ruling class,
   sacrificial, select, settle, skin, skin alive, slashed, subdue,
   superb, superior, superlative, supreme, surmount, surpass,
   surpassing, take the cake, the best, the best ever,
   the best people, the brass, the tops, the very best, thrash,
   tip-top, top, top people, top-notch, topmost, tower above,
   tower over, transcend, trim, triumph, triumph over, trounce, trump,
   undo, unexcelled, unmatchable, unmatched, unparalleled,
   unsurpassed, upper class, upper crust, uppermost, utmost, vanquish,
   very best, wealthiest, whip, win, worst



V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

BEST
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       Business Executive System for Timesharing (OS, Qantel)