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