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