Fatuous
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informed, ingenious, savvy, nimble, perceptive, cunning, well-read, trained, judicious, smart, bright, sane, valid, ultrasmart, insightful, skilled, knowing, learned, prudent, apt, astute, knowledgeable, crafty, highbrow, wily, scholarly, educated, sensible, resourceful, literate, intelligent, shrewd, aware, well-advised, percipient, erudite, keen, sapient, sagacious, schooled, foxy, sage, perspicacious, discerning, acute.