# noesis

> English word · Noun · IPA /nəʊˈiːsɪs/

## Definitions
1. Cognition, the functioning of intellect.
2. The exercise of reason.
3. The consciousness component of noetics, which concerns the duality of noesis and noema.

## Etymology
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.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/noesis