postulate

postulate noun assertion, assumed truth, axiom, conjecture, foundation, hypothesis, premise, speculation, starting point, statement, suggestion, sumptio, supposal, supposition, surmise, theorem, thesis, truism

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postulate verb advance, assume, conjecture, contend, determine, guess, hazard a supposition, infer, posit, predicate, premise, presume, propound, put forth, put forward, reason, regard as axiomatic, specify, speculate, start, suggest, surmise, take as an axiom, take for granted, theorize, venture a connecture, venture a supposition

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See also: assumption, avow, claim, comment, compel, concept, conclusion, condition, conjecture, deduction, generalization, guess, hypothesis, infer, inference, maxim, opine, pose, posit, presume, presumption, presuppose, principle, propose, proposition, propound, require, supposition, suspicion, theory, thesis, uncertainty