Source : Webster's Revised Unabridged Dictionary (1913)

Excellent \Ex"cel*lent\, a. [F. excellent, L. excellens, -entis,
   p. pr. of excellere. See {Excel}.]
   1. Excelling; surpassing others in some good quality or the
      sum of qualities; of great worth; eminent, in a good
      sense; superior; as, an excellent man, artist, citizen,
      husband, discourse, book, song, etc.; excellent breeding,
      principles, aims, action.

            To love . . . What I see excellent in good or fair.
                                                  --Milton.

   2. Superior in kind or degree, irrespective of moral quality;
      -- used with words of a bad significance. [Obs. or
      Ironical] ``An excellent hypocrite.'' --Hume.

            Their sorrows are most excellent.     --Beau. & Fl.

   Syn: Worthy; choice; prime; valuable; select; exquisite;
        transcendent; admirable; worthy.

Excellent \Ex"cel*lent\, adv.
   Excellently; eminently; exceedingly. [Obs.] ``This comes off
   well and excellent.'' --Shak.

Source : WordNet®

excellent
     adj : of the highest quality; "made an excellent speech"; "the
           school has excellent teachers"; "a first-class mind"
           [syn: {first-class}, {fantabulous}]