clownish Antonyms

able-minded sober sophisticated sound wise all the rage all there compos mentis in one's right mind of sound mind agile enough as sharp as a needle awfully clever able to think clearly able to think quickly as sharp as a razor as sharp as a tack sensible right-minded academic acute agile astute balanced brainy bright brilliant canny capable clear-headed courteous courtly cultivated intelligent polite as smart as a whip