Thesaurus

Synonyms for Certified include:

amok, amuck, around the bend, assured, balmy, barmy, bats, batty, berserk, bonded, bonkers, brainsick, buggy, certifiable, certificated, certified, crackbrained, cracked, crackers, crazed, crazy, credentialed, daft, demented, demoniac, demoniacal, deranged, distracted, disturbed, documented, dotty, enrolled, established, fail-safe, fey, firm, fruity, guaranteed, half-crazed, haywire, hebephrenic, idiotic, in safe custody, insane, invulnerable, irrational, kookie, kooky, listed, loco, loony, loopy, lunatic, mad, maniac, maniacal, manic-depressive, maniclike, mentally ill, moonstruck, non compos mentis, nuts, nutty, of unsound mind, paranoid, possessed, promised, protected, psychopathic, psychopathologic, psychopathological, psychotic, qualified, raving, raving mad, recorded, registered, round the bend, safe, safe-deposit, safety-deposit, schizophrenic, screw-loose, screwy, secure, secured, sick, sure, touched, unbalanced, unhinged, unreasonable, unsound, unstable, wacky, warranted, whacky, wild

certified is a ADJ.