Here's what rhymes with ilational.
                        
                        
                    
                                relational  rotational  locational  operational  vocational  sensational  situational  vibrational  gestational  ideational  variational  mutational  aberrational  probational  educational  occupational  recreational  informational  foundational  generational  inspirational  correlational  subnational  avocational  invitational  gravitational  motivational  observational  navigational  translational  associational  organizational  computational  conversational  denominational  organisational  conformational  congregational  coeducational  improvisational  nonoperational  nonvocational  intergenerational  transformational  confrontational  noneducational  nonoccupational  representational  nondenominational  interdenominational  nonrepresentational  Words that almost rhyme with ilational
occasional  capable  payable  insatiable  saleable  salable  breakable  trainable  bailable  erasable  claimable  gradable  available  incapable  attainable  traceable  changeable  inflatable  repayable  degradable  assailable  irreclaimable  resalable  obtainable  debatable  explainable  unshakable  unbreakable  unshakeable  unsaleable  unsalable  reclaimable  mistakable  embraceable  sustainable  inescapable  unavailable  unattainable  unchangeable  ascertainable  exchangeable  irreplaceable  unassailable  maintainable  replaceable  untraceable  persuadable  conveyable  nonbreakable  unmistakable  interchangeable  unobtainable  biodegradable  unsustainable  microwavable  nonexchangeable  noninterchangeable