cogitative Antonyms

absurd foolish frivolous imperceptive impercipient light-headed nonsensical silly thoughtless featherbrained feebleminded nonreflecting goofy dim-witted dippy featherheaded unreflective foolhardy fool asinine attentive blunt brainless brash careless comical crazy cuckoo daft dim doltish dumb fanciful farcical fatuous giddy goat