intelligent
Synonyms: able, alert, alive, apt, astute, bright, brilliant, capable, clever, comprehending, creative, discerning, enlightened, exceptional, imaginative, ingenious, instructed, inventive, knowing, knowledgeable, original, perceptive, perspicacious, profound, rational, reasonable, resourceful, smart, thinking, well-informed, wise Roget's New Millennium Thesaurus Sign in to see full entry.