{ In‐cog″i‐tance (?), In‐cog″i‐tan‐cy (?), } n. [L. incogitantia.] Want 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.