noesis

noun

1. (in Greek philosophy) the exercise of reason.
2. Psychology. cognition; the functioning of the intellect.

noun

1. philosophy the exercise of reason, esp in the apprehension of universal formsCompare dianoia
2. psychol the mental process used in thinking and perceiving; the functioning of the intellectSee also cognition

n.1820, from Greek noesis “intelligence, thought,” from noein “to have mental perception,” from noos “mind, thought.”