Find Synonyms

plausibility Synonyms

Another word for plausibility

Choosing another word for plausibility depends on context, so the 11 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• noun (Context 1)

The quality of seeming reasonable, probable, or worthy of belief.

Usage Example

"The historians questioned the credibility of the newly discovered diary until carbon dating confirmed its age."

Strongest
credibility
believability
Strong
probability
likelihood
reasonableness
feasibility
verisimilitude

• noun (Context 2)

Superficial persuasiveness or smoothness of manner, often intended to win trust or conceal a lack of substance.

Usage Example

"Beneath the smooth speciousness of his sales pitch lay several unverified financial assumptions."

Strong
speciousness
glibness
persuasiveness
smoothness

Opposites of plausibility

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

implausibility
improbability
unlikelihood
incredibility
absurdity
candor
sincerity
See all opposites of plausibility

• Nearby Words

platypus
platystemon
plaudit
plausibility
plausible
plausibly
play

Cite this Entry

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