mentally retarded Antonyms

having a good head on one's shoulders well-educated knowledgeable savvy wise sharp sensible sciential schooled sagacious right-minded rational all there compos mentis 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 enlightened quick-witted proficient conusant competent clever clear-headed capable canny brilliant bright brainy astute acute educated erudite pretty perceptive nimble knower keen inventive intelligent intellectual ingenious gifted