SUPPOSITION Antonyms There are 9 antonyms of the word supposition. (opposite meanings)Did you mean?Definition of SUPPOSITIONSynonyms of SUPPOSITIONAlso try opposite words for..supposesupposedsupposingsuppositioussuppositionalBest Opposite Words For SUPPOSITIONTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1actualitynounn2certaintynounn3evidencenounn4factnounn5knowledgenounn6proofnounn7realitynounn8truthnounn9veritynounn Alternatives for ACTUALITY Words (3)factrealitytruthOpposite words for actuality Alternatives for CERTAINTY Words (15)surenessassuranceconclusivenessconfidenceconvictiondecisivenessdefinitenessdeterminationfirmnesspositivityreliabilitysafetysecuritysuretycertitudePhrases (2)sure thingforegone conclusionOpposite words for certainty Alternatives for EVIDENCE Words (24)attestationclueconfirmationcorroborationdemonstrationdocumentationexhibitillustrationindicationmanifestationproofsignsubstantiationtestimonyverificationattestcertifydemonstrategroundsmanifestproveshowtelltestifyPhrases (1)bear witnessOpposite words for evidence Alternatives for FACT Words (10)accuracyactualityauthenticitycertaintycertitudegenuinenessrealitysuretytruthverityOpposite words for fact Alternatives for KNOWLEDGE Words (22)awarenesscognitionlearningacquaintancecomprehensionconsciousnesseducationenlightenmenteruditionexpertisefamiliarityinformationinsightintelligenceproficiencyscholarshipunderstandingwisdomcognizancekenknowingnessnoesisOpposite words for knowledge Alternatives for PROOF Words (10)substantiationvalidationattestationconfirmationcorroborationevidencesupporttestimonyverificationproofreadPhrases (3)cogent evidencetest copytrial impressionOpposite words for proof Alternatives for REALITY Words (5)actualityrealismrealnesstruthworldOpposite words for reality Alternatives for TRUTH Words (16)accuracyverityactualityauthenticitycorrectnessexactnessfactgenuinenesshonestyintegrityprecisionrealitysincerityvalidityveracitytruenessPhrases (3)sojourner truththe truetrue statementOpposite words for truth