lunatic Antonyms

able to think clearly knowledgeable well-advised wise steady sound sober shrewd sharp-witted sharp sensible sapient sane sagacious levelheaded down-to-earth awfully clever as sharp as a needle agile enough of sound mind well-founded well-balanced in one's right mind insightful enlightened compos mentis commonsensical all there akamai right-minded reasonable healthy genius discerning clever clear-headed circumspect canny calm brilliant bright brainy balanced astute informed intelligent reasoned rational prudent practical