Synonyms and Antonyms of supposition

  1. 1 an idea that is the starting point for making a case or conducting an investigation my supposition is that this grape variety, which flourishes in southern France, should do equally well here, given the similar climate Synonyms hypothesis, proposition, theory, thesisRelated Words assumption, concession, premise (also premiss), presumption, presupposition, theorem; conjecture, generalization, guess, guesswork, inference, speculation, surmise; proffer, proposal, suggestion; feeling, hunch, impression, inkling, notion, suspicion; abstraction, concept, conception, constructNear Antonyms assurance, certainty, fact, knowledge

  2. 2 an opinion or judgment based on little or no evidence it's pure supposition on your part that there's something illegal going on next door Synonyms guess, shot, conjecture, surmiseRelated Words hypothesis, hypothetical, theory, thesis; dead reckoning, guessing, guesswork, speculation; hunch, intuition; belief, faith

  3. 3 something taken as being true or factual and used as a starting point for a course of action or reasoning worthless genetic research that was based on the erroneous supposition that acquired characteristics can be passed on to offspring Synonyms given, hypothetical, if, postulate, premise (also premiss), presumption, presupposition, assumptionRelated Words hypothesis, proposition, theory, thesis; axiom, truism, verity; belief, canon, doctrine, dogma, gospel, law; precept, principle, rule, standard, tenet; basis, foundation, ground; conclusion, deduction, inference; affirmation, assertion, avouchment, declaration; dictum, ipse dixit

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a rounded knoll or a ridge of ice

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