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