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