batty Antonyms

showing great knowledge serious-minded no-nonsense knowledgeable wise stable sound sober shrewd sharp-witted sharp sensible all there commonsensical compos mentis full of common sense highly educated able to think clearly awfully clever sharp as a needle as sharp as a needle of sound mind in one's right mind right smart insightful enlightened sane sagacious coherent clever clear-sighted clear-headed canny brilliant brainy beautiful balanced astute acute genius intelligent judicious right-minded reasonable rational prudent plausible perspicuous perceptive owlish