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