Here's what rhymes with idealisation.
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allegation bifurcation delineation divination donation elongation fertilization hydration inhalation invocation perforation recitation relocation renovation reparation revocation ulceration usurpation utilisation visitation education population application generation association civilization corporation evaluation legislation observation occupation participation preparation translation activation admiration appreciation correlation declaration illustration immigration indication migration motivation obligation organisation orientation preservation agitation alienation arbitration decoration deformation degradation depreciation domination elimination estimation excitation frustration hesitation inflammation installation navigation negotiation oxidation plantation quotation recreation registration resignation termination utilization valuation vegetation affiliation aggregation animation approbation authorization civilisation colonization dedication desolation desperation dislocation dissociation distillation elaboration exaggeration expiration fabrication fascination filtration generalization globalization graduation habitation ionization irradiation maturation mediation mobilization moderation ordination socialization validation abbreviation affectation alternation appellation automation castration coronation damnation dehydration demarcation deportation deputation devastation elucidation emulation enumeration escalation exaltation fibrillation germination gravitation intimation intonation liquidation ovulation perspiration perturbation polymerization provocation refrigeration refutation renunciation resuscitation sanitation stagnation urbanization organization examination interpretation circulation conversation cooperation imagination integration presentation regulation reputation adaptation conservation exploration stimulation acceleration anticipation assimilation celebration collaboration confirmation degeneration designation destination deterioration emancipation illumination implication inclination indignation medication meditation nomination penetration precipitation proclamation propagation regeneration segregation simulation specification speculation ventilation annihilation assassination attenuation calibration consolation dissemination emigration evacuation excavation fermentation humiliation importation incarnation incubation infiltration liberalization localization modernization modulation optimization preoccupation purification ratification remuneration replication retaliation retardation specialization stabilization unification verification adjudication amputation augmentation cancellation capitalization categorization centralization conformation connotation consummation culmination denunciation deregulation devaluation dispensation duplication eradication exhortation exportation fluctuation hybridization immunization imputation inactivation inauguration interpolation interrogation intimidation masturbation normalization prolongation punctuation reclamation repudiation sterilization stipulation subjugation vaccination vindication administration combination consideration explanation classification determination identification investigation transformation calculation compensation demonstration differentiation discrimination expectation exploitation formulation justification modification transportation accommodation appropriation approximation characterization computation congregation consultation coordination documentation incorporation manifestation qualification amplification articulation certification clarification coagulation compilation complication condensation denomination gratification intoxication notification privatization pronunciation reorganization signification sophistication subordination amalgamation authentication calcification capitulation commendation conciliation confederation confiscation consecration constellation consternation constipation crystallization exclamation extermination implantation inoculation menstruation mortification ornamentation rationalization regurgitation segmentation standardization visualization communication concentration representation accumulation configuration implementation condemnation confrontation consolidation contamination contemplation continuation manipulation recommendation reconciliation rehabilitation disintegration fragmentation industrialization multiplication stratification argumentation conflagration decentralization democratization diversification hospitalization magnetization magnification nationalization personification quantification sedimentation simplification supplementation synchronization transplantation conceptualization instrumentation intensification experimentation misrepresentation excommunication Words that almost rhyme with idealisation
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