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Definition of plausibility

plausibility

/ˌplɔː.zəˈbɪl.ə.ti/
plau · si · bil · i · ty
Adverb:plausibly
•
Plural:plausibilities
•
Adjective:plausible
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plausibility Lexical Profile

plausibility Game Scores & Validity

• noun

1

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

Example

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

2

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

Example

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

Synonyms
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Antonyms
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• Rhymes for plausibility

• Nearby Words

platypus
platystemon
plaudit
plausibility
plausible
plausibly
play

Word Origin & Etymology

Derived from the Latin adjective 'plausibilis' (meaning 'worthy of applause' or 'pleasing'), from the verb 'plaudere' ('to clap the hands' or 'to applaud'), combined with the noun-forming suffix '-ity'.

Cite this Entry

Wordmom. (2026). Definition of Plausibility. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/plausibility
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