Webster’s Revised Unabridged Dictionary · 1913
Speciosity
Spe′ci·os′i·ty, n.; pl. Speciocities (#). [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.