speciosity

English edit

specio(u)s +‎ -ity, originated 1426–75 from Middle English speciosity (“attractiveness”), from Latin speciōsitās (“beauty”), from speciēs (“appearance”).

speciosity (countable and uncountable, plural speciosities)

(uncountable) The state or quality of being specious.
(countable, rare, chiefly in the plural) A specious action, promise, ideology, etc.
- 1843 April, Thomas Carlyle, “ch. 8, The Electon”, in Past and Present, American edition, Boston, Mass.: Charles C[offin] Little and James Brown, published 1843, →OCLC, book II (The Ancient Monk):
  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;

“speciosity”, in The American Heritage Dictionary of the English Language, 4th edition, Boston, Mass.: Houghton Mifflin, 2000, →ISBN.
“speciosity”, in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present.
"speciosity" in the Webster's Revised Unabridged Dictionary, MICRA, 1996, 1998.