D defs.my
Entry 1 sense Webster, 1913

Incogitance

· In·cog·i·tance · IPA
01 n. Lack of thought, or of the power of thinking; thoughtlessness; unreasonableness.
  1. 1.
    Lack of thought, or of the power of thinking; thoughtlessness; unreasonableness.
    “'T is folly and incogitancy to argue anything, one way or the other, from the designs of a sort of beings with whom we so little communicate.” Glanvill.