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English definition of “postulate”

postulate

verb [I or T]     /ˈpɒs.tjʊ.leɪt/ US  /ˈpɑː.stjə-/ formal
to suggest a theory, idea, etc. as a basic principle from which a further idea is formed or developed: [+ that] It was the Greek astronomer, Ptolemy, who postulated that the Earth was at the centre of the universe.Suggestions and proposals
(Definition of postulate verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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