The quality of being witty, humorous, or cleverly amusing; playful humor or elegance of wit (archaic).
From 'facete' plus '-ness' (Old English abstract noun suffix). Archaic form paralleling modern 'facetiousness'.
Medieval and Renaissance writers loved layering suffixes like '-ness' onto Latin words to create abstract noun forms—'faceteness' is one of these beautiful but abandoned constructions that show how differently scholars once played with language!
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