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