cognition

noun

cog·​ni·​tion käg-ˈni-shən 

: cognitive mental processes

A concussion impaired the patient's cognition.

also : a product of these processes

cognitional

käg-ˈnish-nəl 

-ˈni-shə-nᵊl

adjective

Examples of cognition in a Sentence

disabilities affecting cognition and judgment

Recent Examples on the Web

Douglas Hofstadter, a professor of cognitive science and comparative literature at Indiana University, likes to say that cognition is recognition. —James Somers, New Yorker, 3 Nov. 2025

While tau buildup slowed by between three and seven years for people who walked up to 7,500 steps per day, people who were sedentary had a significantly faster buildup of tau proteins and more rapid declines in cognition and daily functioning, the study found. —Sandee Lamotte, CNN Money, 3 Nov. 2025

So, there is some hope for cognition, mindedness, and human-like intelligence. —Big Think, 29 Oct. 2025

It was also positively linked to overall cognition and day-to-day (episodic) memory. —New Atlas, 27 Oct. 2025

Word History

Etymology

Middle English cognicioun "comprehension, ability to comprehend," borrowed from Anglo-French & Latin; Anglo-French cognicion "knowledge, jurisdiction," borrowed from Latin cognitiōn-, cognitiō "act of getting to know, comprehension, investigation," from cogni-, variant stem of cognōscere "to get to know, acquire knowledge of, become acquainted with, investigate" (from co- co- + gnōscere, nōscere "to get to know," inchoative derivative from Indo-European *ǵneh₃-, *ǵṇh₃- "to know, recognize") + -tiōn-, -tiō, suffix of action nouns — more at know entry 1

First Known Use

15th century, in the meaning defined above

Rhymes for cognition

• addition
• admission
• ambition
• attrition
• audition
• clinician
• coition
• commission
• condition
• contrition
• dentition
• dismission

Kids Definition

cognition

noun

cog·​ni·​tion käg-ˈnish-ən 

: the act or process of knowing

Medical Definition

cognition

noun

cog·​ni·​tion käg-ˈnish-ən 

1

: cognitive mental processes

2

: a conscious intellectual act

conflict between cognitions