Also found in: Thesaurus.


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·bil′i·ty, plau′si·ble·ness n.
plau′si·bly adv.
Synonyms: plausible, believable, credible
These adjectives mean appearing to merit belief or acceptance: a plausible pretext; a believable excuse; a credible assertion.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.plausibleness - apparent validity
believability, credibility, credibleness - the quality of being believable or trustworthy
tenability, tenableness, reasonableness - the quality of being plausible or acceptable to a reasonable person; "he questioned the tenability of my claims"


References in periodicals archive ?
Where ultrasound is not always available, practitioners carrying out salpingectomy for ruptured ectopic pregnancies should bear in mind the plausibleness of heterotopic pregnancy in order to properly handle the uterus.