When you postulate an idea or theory you suggest that it is true especially for the purposes of an argument or discussion.

POSTULATE meaning: 1. to suggest a theory, idea, etc. as a basic principle from which a further idea is formed or…. Learn more.

Mar 12, 2026 · postulate (third-person singular simple present postulates, present participle postulating, simple past and past participle postulated) To assume as a truthful or accurate premise or axiom, …

To assume or assert the truth, reality, or necessity of, especially as a basis of an argument: "We can see individuals, but we can't see providence; we have to postulate it" (Aldous Huxley).

If you postulate something, you suggest it as the basis for a theory, argument, or calculation, or assume that it is the basis.

Definition of postulate verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Parallel postulate If the sum of the interior angles α and β is less than 180°, the two straight lines, produced indefinitely, meet on that side. In geometry, the parallel postulate is the fifth postulate in …

POSTULATE definition: to ask, demand, or claim. See examples of postulate used in a sentence.

Factsheet What does the noun postulate mean? There are six meanings listed in OED's entry for the noun postulate. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

to suggest or assume the existence or truth of (something), esp. as a basis for further reasoning: [~ + object] She postulated an increase in population and went on from there to form a theory of …