Here's what rhymes with agglutionation.
                        
                        
                    
                                nation  summation  affirmation  reformation  sedation  usurpation  aeration  information  formation  foundation  station  isolation  revelation  salvation  sensation  violation  confirmation  estimation  illumination  notation  reservation  resignation  vacation  animation  cessation  fascination  narration  negation  oscillation  veneration  vocation  automation  citation  conformation  consummation  damnation  divination  donation  elucidation  oration  recitation  revocation  stagnation  ablation  agglutination  defamation  elation  emanation  hallucination  education  operation  relation  situation  combination  creation  generation  conversation  duration  location  observation  presentation  separation  variation  accumulation  admiration  conservation  elevation  inflation  innovation  migration  preservation  realization  restoration  rotation  taxation  agitation  alienation  allocation  approximation  aspiration  designation  destination  dissertation  domination  elimination  fixation  hesitation  imitation  inflammation  irrigation  navigation  nomination  oxidation  plantation  respiration  saturation  temptation  termination  valuation  vegetation  vibration  annihilation  assassination  authorization  aviation  causation  consolation  desolation  federation  fermentation  habitation  insulation  ionization  litigation  maturation  mediation  moderation  mutation  ordination  starvation  unification  validation  aberration  adoration  allegation  alternation  appellation  bifurcation  cancellation  consternation  coronation  culmination  escalation  germination  gravitation  hydration  inhalation  innervation  intimation  intonation  invocation  iteration  ovulation  provocation  reclamation  renovation  sanitation  ulceration  vaccination  visitation  application  communication  concentration  examination  explanation  association  circulation  classification  imagination  legislation  occupation  radiation  regulation  reputation  transformation  translation  activation  adaptation  appreciation  calculation  compensation  correlation  deviation  illustration  immigration  indication  inspiration  invitation  liberation  limitation  motivation  obligation  accommodation  alteration  anticipation  assimilation  celebration  condemnation  confrontation  consultation  coordination  decoration  deformation  delegation  excitation  frustration  inclination  initiation  installation  irritation  medication  meditation  proclamation  propagation  qualification  quotation  recreation  regeneration  relaxation  segregation  simulation  utilization  ventilation  accusation  affiliation  aggregation  annexation  approbation  attenuation  clarification  compilation  condensation  dedication  derivation  desperation  dilatation  dissemination  dissipation  distillation  emigration  evaporation  excavation  expiration  filtration  graduation  gratification  modulation  probation  ratification  realisation  replication  retardation  signification  toleration  verification  abbreviation  adjudication  affectation  amalgamation  calcification  castration  commendation  confiscation  connotation  consecration  constellation  constipation  devastation  dispensation  duplication  elongation  emulation  enumeration  eradication  exclamation  fluctuation  gestation  immunization  masturbation  perforation  perspiration  perturbation  punctuation  refutation  relocation  renunciation  reparation  resuscitation  segmentation  subjugation  urbanization  utilisation  vindication  organization  population  consideration  civilization  cooperation  corporation  determination  evaluation  integration  participation  preparation  publication  cultivation  declaration  differentiation  discrimination  exploration  formulation  justification  modification  organisation  orientation  stimulation  transportation  acceleration  appropriation  arbitration  collaboration  computation  congregation  consolidation  contamination  contemplation  degeneration  degradation  emancipation  implication  indignation  negotiation  penetration  recommendation  registration  speculation  amplification  calibration  certification  civilisation  coagulation  colonization  complication  denomination  deprivation  dislocation  dissociation  elaboration  evacuation  exaggeration  fabrication  fragmentation  globalization  humiliation  importation  incarnation  incubation  irradiation  localization  modernization  notification  optimization  polarization  privatization  pronunciation  purification  remuneration  retaliation  socialization  subordination  amputation  augmentation  authentication  capitulation  conciliation  confederation  conflagration  crystallization  dehydration  delineation  demarcation  denunciation  deputation  exaltation  exhortation  extermination  fertilization  fibrillation  implantation  imputation  inauguration  interpolation  liquidation  magnification  mortification  prolongation  rationalization  refrigeration  regurgitation  sedimentation  stipulation  investigation  representation  configuration  demonstration  expectation  exploitation  characterization  continuation  depreciation  documentation  incorporation  manipulation  precipitation  proliferation  reconciliation  rehabilitation  articulation  deliberation  infiltration  intoxication  mobilization  preoccupation  reorganization  sophistication  specialization  stabilization  stratification  transplantation  argumentation  categorization  deportation  deregulation  devaluation  exportation  hybridization  inactivation  inoculation  interrogation  intimidation  magnetization  menstruation  nationalization  ornamentation  personification  polymerization  quantification  repudiation  standardization  sterilization  supplementation  synchronization  visualization  administration  interpretation  identification  implementation  deterioration  manifestation  specification  disintegration  experimentation  generalization  liberalization  multiplication  capitalization  centralization  democratization  diversification  excommunication  instrumentation  normalization  simplification  hospitalization  intensification  conceptualization  decentralization  misrepresentation  industrialization  Words that almost rhyme with agglutionation
occasion  haven  basin  hasten  invasion  evasion  equation  persuasion  maiden  taken  pagan  shaken  awaken  bacon  laden  layman  laymen  shaman  patron  contagion  overtaken  straighten  mistaken  undertaken  salesman  forsaken  statesman  tradesmen