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.
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                 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.
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WordNet (r) 3.0 (2006):

in good time
    adv 1: at the appropriate time; "we'll get to this question in
           due course" [syn: in due course, in due season, in
           good time, in due time, when the time comes]