Postulate
Postulate noun - Something taken as being true or factual and used as a starting point for a course of action or reasoning.
Usage example: one of the postulates that the true agnostic rejects is the assumption that it is even possible for us to know whether God exists
Theory is a synonym for postulate in idea topic. In some cases you can use "Theory" instead a noun "Postulate", when it comes to topics like assumption, reason, fundamental principle. popular alternative
Theory
Theory noun - An idea that is the starting point for making a case or conducting an investigation.
Postulate is a synonym for theory in hypothesis topic. You can use "Postulate" instead a noun "Theory", if it concerns topics such as idea, assumption, reason, fundamental principle. popular alternative
Mutual synonyms
Related pairs
Both words in one sentence
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If we believe Loki (which might not be a good idea), gods run on the Theory of Narrative Causality and there is basically an in-universe Fiction Identity Postulate.
Source: Comic Book / The Mighty Thor
Cite this Source
Theory and Postulate. (2016). Retrieved 2026, July 20, from https://thesaurus.plus/related/postulate/theory
Postulate & Theory. N.p., 2016. Web. 20 Jul. 2026. <https://thesaurus.plus/related/postulate/theory>.
Theory or Postulate. 2016. Accessed July 20, 2026. https://thesaurus.plus/related/postulate/theory.
Google Ngram Viewer shows how "postulate" and "theory" have occurred on timeline