SPECIOSITY
Etymology
Noun
speciosity (countable and uncountable, plural speciosities)
(uncountable) The state or quality of being specious.
(countable, rare, mostly, in the plural) A specious action, promise, ideology, etc.
Source: Wiktionary
Spe`ci*os"i*ty, n.; pl. Speciocities. Etym: [Cf. LL. speciositas.]
1. The quality or state of being specious; speciousness.
Professions built so largely on speciosity, instead of performance.
Carlyle.
2. That which is specious. Dr. H. More.
Source: Webster’s Unabridged Dictionary 1913 Edition