Find Synonyms

supposition Synonyms

Another word for supposition

Choosing another word for supposition that fits your sentence is easier when synonyms and similar words are paired with an exact noun definition and ranked by match strength.
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• noun (Context 1)

An uncertain belief, assumption, or hypothesis held without conclusive proof.

Usage Example

"The detective's initial theory was based on mere assumption rather than hard evidence."

Strongest
assumption
conjecture
presumption
speculation
hypothesis
Strong
surmise
guess
premise
theory
postulate

Opposites of supposition

The opposite of supposition shifts depending on context. Common opposites include:

certainty
fact
proof
reality
truth
knowledge
See all opposites of supposition

• Nearby Words

supposed
supposedly
supposing
supposition
suppository
suppress
suppressant

Cite this Entry

Wordmom. (2026). Synonyms for Supposition. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/supposition
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