The Collaborative International Dictionary
Insipience
Insipience \In*sip"i*ence\, n. [L. insipientia: cf. OF.
insipience.]
Lack of intelligence; stupidity; folly. [R.]
--Blount.
Douglas Harper's Etymology Dictionary
insipience
early 15c., "lack of wisdom, foolishness," from Old French insipience, from Latin insipientia "folly," from insipientem (see insipient).
Wiktionary
insipience
n. (context archaic English) stupidity; folly