der·i·vate I. \ˈderəvə̇t, -ˌvāt\adjective Etymology: Latin derivatus, past participle of derivare to draw off, derive — more at derive : derived, derivative • der·i·vate·lyadverb II. noun (-s) : something derived (as a thing, word, idea) : derivative < faith in the possibility of science … is an unconscious derivate from medieval theology — A.N.Whitehead >