Here's what rhymes with illator.
                        
                        
                    
                                later  rater  greater  traitor  waiter  crater  cater  freighter  hater  pater  grater  gator  prater  dater  gaiter  tater  creator  equator  levator  rotator  straighter  skater  collator  gyrator  inhalator  sedater  operator  elevator  oscillator  dictator  alligator  curator  insulator  radiator  aviator  debater  imitator  innovator  violator  idolater  adulator  crocheter  generator  indicator  mediator  arbitrator  educator  agitator  incubator  moderator  modulator  originator  simulator  actuator  alternator  applicator  carburetor  decorator  evaluator  evaporator  illustrator  integrator  obturator  respirator  escalator  gladiator  animator  emulator  percolator  annotator  eliminator  headwaiter  pollinator  dehydrator  litigator  renovator  decelerator  defoliator  eradicator  peculator  abrogator  translator  legislator  regulator  accelerator  activator  collaborator  facilitator  navigator  perpetrator  ventilator  instigator  procurator  stimulator  incinerator  interrogator  liquidator  conciliator  detonator  fabricator  cooperator  duplicator  fornicator  lubricator  vindicator  dedicator  dumbwaiter  infiltrator  nominator  exaggerator  fumigator  hibernator  mutilator  corroborator  insinuator  denominator  refrigerator  commentator  coordinator  calculator  negotiator  speculator  manipulator  defibrillator  excavator  adjudicator  appropriator  formulator  resuscitator  castigator  dissimulator  repudiator  administrator  investigator  accumulator  communicator  demonstrator  discriminator  exterminator  consolidator  prevaricator  expropriator  decapitator  contaminator  procrastinator  prognosticator  Words that almost rhyme with illator
labor  raider  raper  nature  major  paper  neighbor  vapor  trader  taper  sabre  wager  grader  nadir  saber  caper  draper  pager  belabor  tabor  evader  wader  wagerer  invader  scraper  denature  staider  crusader  blockader  persuader  legislature  masquerader  nomenclature  layer  laser  razor  raiser  eraser  racer  lamer  raver  favor  favour  player  maker  mayor  painter  flavor  safer  sailor  tailor  breaker  flavour  glacier  labourer  planar  tracer  trailer  trainer  wafer  waiver  baker  fainter  graver  savor  savour  seiner  taker  baser  braver  hacer  jailer  maner  payer  plainer  ranger  saver  shaker  slayer  waver  blazer  chaser  gainer  gayer  maser  planer  saner  slaver  tamer  vaguer  whaler  bather  framer  grayer  jailor  mailer  pacer  shaver  taster  waster  baler  faker  frailer  gamer  greyer  hazer  bracer  chaster  drainer  essayer  grazer  vainer  baster  caver  fayer  sager  claimer  delayer  caner  haler  wailer  fainer  inaner  danger  failure  chamber  scalar  engraver  manger  retainer  savior  appraiser  bilayer  changer  papier  spacer  strainer  arranger  betrayer  inhaler  sprayer  quaver  assayer  declaimer  defamer  quainter  stayer  staler  defacer  loudhailer  opaquer  wavier  urbaner  waylayer  insaner  behavior  remainder  stranger  endanger  surveyor  attainder  disclaimer  disfavor  disfavour  purveyor  partaker  gamester  modeller  poetaster  statelier  humaner  naysayer  saltshaker  unsafer  container  conveyor  exchanger  monolayer  campaigner  soothsayer  conveyer  abstainer  complainer  automaker  boilermaker  cockchafer  restrainer  programer  gainsayer  doomsayer  finagler  entertainer  multilayer  undertaker  moneymaker  semitrailer  boneshaker  astuter  misbehavior  troublemaker  policymaker  multiplayer  semiquaver  photoengraver  cabinetmaker