The Oxford Thesaurus An A-Z Dictionary of Synonyms - nimbleadj.

1) agile, lively, active, light, lithe, limber, spry, sprightly, brisk, smart, energetic, rapid, quick, swift, adroit, deft, dexterous; nimble-fingered; nimble-footed: She's as nimble as a cat on a hot tin roof. 2) agile, alert, acute, nimble-witted, quick-witted, ready-witted, intelligent, keen, sharp; smart, brilliant, sparkling, scintillating, coruscating: Despite his inability to make decisions, Desmond has quite a nimble mind.