1. Seemingly or apparently valid, likely, or acceptable; credible: a plausible excuse.
2. Persuasive or ingratiating, especially in an effort to deceive.
[Latin plausibilis, deserving applause, from plausus, past participle of plaudere, to applaud.]
plau′si·bili·ty, plausi·ble·ness n.
Synonyms: plausible, believable, credible
These adjectives mean appearing to merit belief or acceptance: a plausible pretext; a believable excuse; a credible assertion.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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