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