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