Plausibility

n.	1.	Something worthy of praise. Integrity, fidelity, and other gracious plausibilities. - E. Vaughan.
	2.	The quality of being plausible; speciousness. To give any plausibility to a scheme. - De Quincey.
	3.	Anything plausible or specious.

Noun

1.

plausibility - apparent validity Synonyms: plausibleness Antonyms: implausibility, implausibleness - the quality of provoking disbelief

acceptability, admissibility, apparent soundness, believability, believableness, casuistry, circularity, color, common sense, conceivability, credibility, credit, disingenuousness, distortion, equivocalness, equivocation, evasive reasoning, fallaciousness, fallacy, insincerity, jesuitism, jesuitry, justifiability, justness, logic, logicality, logicalness, misapplication, mystification, obfuscation, obscurantism, oversubtlety, perversion, philosophism, plausibleness, rationality, rationalization, reason, reasonability, reasonableness, reliability, sense, sensibleness, sophism, sophistical reasoning, sophistication, sophistry, sound sense, soundness, special pleading, speciosity, specious reasoning, speciousness, subtlety, sweet reason, tenability, trustworthiness, vicious circle, vicious reasoning