nutty Antonyms

able to think clearly strategic staid stable sound sober smart shrewd sharp sensible sapient sane sagacious tactical valid wise awfully clever as wise as solomon as sharp as a needle of sound mind in one's right mind insightful enlightened compos mentis commonsensical all there knowledgeable well-advised resemblance reasonable educated discerning coherent clever clear-headed circumspect canny brilliant bright brainy balanced astute expedient genius good rational prudential prudent politic perspicacious