speciosity /ˌspiːʃiˈɒsɪti/ noun3 •The state or quality of being specious; speciousness. •[in the plural] (rare) A specious action, promise, ideology, etc.Till deep misery, if nothing softer will, have driven you out of your Speciosites into your Sincerities; and you find there either is a Godlike in the world, or else ye are an unintelligible madness — 1843 •The state or quality of being speciose.The circumstance that the proportion of taxa with 12 + 14 vertebrae increased in the lower categories is due to the speciosity of the Epinephelinae. — 1960 formsspeciosities