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

Some people with antiphospholipid syndrome—a condition associated with the formation of blood clots—can experience chorea (involuntary muscle movements) or acute changes in cognition (one of my patients was diagnosed after becoming markedly confused). —The New Yorker, New Yorker, 8 Sep. 2025

The deal puts cognition into the $10 billion club, joining a handful of other AI startups, most notably OpenAI and Anthropic. —Ashley Capoot, CNBC, 8 Sep. 2025

The exercise group also scored slightly better on overall cognition tests. —New Atlas, 6 Sep. 2025

All of the sweeteners except tagatose were associated with a faster decline in cognition, especially memory, the researchers found. —Melissa Rudy, FOXNews.com, 5 Sep. 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