mentally retarded Antonyms

having a good head on one's shoulders street-smart all there knowledgeable savvy wise sharp sensible schooled sagacious right-minded compos mentis enlightened as bright as a button highly educated psychologically sound awfully clever as sharp as a needle agile enough of sound mind in one's right mind insightful hyperintelligent rational quick-witted proficient competent clever clear-headed capable canny brilliant bright brainy astute acute educated erudite pretty perceptive nimble keen inventive intelligent intellectual ingenious gifted genius academic