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