unthoughtful Antonyms

according to the book widespread unswayable thoughtful hard-shell fiducial doctrinal discreet discerning derived derivative customary habit-forming authorised by the numbers deep-rooted bien pensant bog-standard archconservative all heart confirmed buttoned-down button-down brassbound canonical current correct conventional average authorized authoritative ate approved adopted admitted acquired acknowledged accustomed acceptable broad careful conservative congruous conformist commutual commonplace common collective classical classic