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