noesis

(countable, uncountable) Cognition, the functioning of intellect.
(Greek, countable, uncountable) The exercise of reason.
(countable, uncountable) The consciousness component of noetics, which concerns the duality of noesis and noema.

Pronounced as (IPA)

/nəʊˈiːsɪs/

Learned borrowing from Ancient Greek νόησις (nóēsis, “concept”, “idea”, “intelligence”, “understanding”), from νοεῖν (noeîn, “to intend”, “to perceive”, “to see”, “to understand”) (from νοῦς (noûs, “mind”, “thought”), from νόος (nóos)) + -σις (-sis), suffix forming nouns of action.