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