brainy

from WordNet (r) 3.0 (2006)

brainy
    adj 1: having or marked by unusual and impressive intelligence;
           "some men dislike brainy women"; "a brilliant mind"; "a
           brilliant solution to the problem" [syn: {brainy},
           {brilliant}, {smart as a whip}]

from The Collaborative International Dictionary of English v.0.48

Brainy \Brain"y\ (br[=a]n"[y^]), a.
   1. Having an active or vigorous mind. [Colloq.]
      [1913 Webster]

   2. highly intelligent.
      [PJC] Braise

from Moby Thesaurus II by Grady Ward, 1.0

24 Moby Thesaurus words for "brainy":
      adroit, alert, apt, bright, brilliant, clever, dexterous, gifted,
      keen, keen-witted, knowing, nimble, nimble-witted, no dumbbell,
      not born yesterday, quick, quick-thinking, quick-witted,
      scintillating, sharp, sharp-witted, smart, steel-trap, talented

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