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