Here's what rhymes with autheritative.
dative native authoritative imitative iterative vegetative radiative annotative creative innovative qualitative collaborative oxidative educative meditative dissipative connotative nonnative emulative cooperative legislative appreciative associative evaluative deliberative evaporative regulative rehabilitative denotative copulative stimulative cogitative integrative interpretative manipulative dissociative accumulative procreative administrative quantitative investigative unappreciative nonadministrative Words that almost rhyme with autheritative
cages sages rages mutatis phages wadis wadges engages bellyaches reengages macrophages disengages greengages abrasive plaintive pervasive evasive invasive persuasive dissuasive unpersuasive nonabrasive noninvasive