• erudite, sharp, perceptive, logical, foxy, educated, informed, cunning, crafty, apt, sane, rational, resourceful, highbrow, knowing, keen, brainy, Sharp-witted, bright, intellectual, judicious, scholarly, learned, quick-witted, schooled, percipient, literate, smart, sensible, sound, wily, shrewd, clever, wise, knowledgeable, perspicacious, sage, sapient, prudent, fast, hyperintelligent, astute, well-read, valid, intelligent, acute, reasonable, quick, brilliant, thinking, ultrasmart, cerebral, refined, nimble, skilled, savvy, discerning, supersmart, trained, sagacious, ingenious, insightful, processed.