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