Synonyms & related words for supposition

Find synonyms, related words, and the definition of supposition — including supposal, conjecture, assumption, surmise, hypothesis, speculation. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to supposition

Explore words related to supposition — words associated with it, words that go with it, and its nearest matches in meaning. Related words include suppositive, suppositional, conjecturer, guess, conjecturable, presurmise, conjectural, supposititious. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for supposition

Common synonyms for supposition include supposal, conjecture, assumption, surmise, hypothesis, speculation, presupposition, postulation — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does supposition come from?

The word supposition breaks down into 2 roots of Latin origin: sup-, from Latin sub (“under, below”); and -pos, from Latin pono (“put, place”). Explore each root to see other English words built from the same source.