cognition

noun

cog·​ni·​tion käg-ˈni-shən How to pronounce cognition (audio)
Synonyms of cognitionnext
: cognitive mental processes
A concussion impaired the patient's cognition.
also : a product of these processes
cognitional adjective

Examples of cognition in a Sentence

disabilities affecting cognition and judgment
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The bacterium was also associated with more severe cognition decline. Amy McGorry, FOXNews.com, 18 Feb. 2026 London served as the central intelligence hub, responsible for developing the AI systems and Vision-Language-Action (VLA) frameworks that power the robot’s cognition. Atharva Gosavi, Interesting Engineering, 16 Feb. 2026 Guardrails must be placed inside legislation to ensure that Texans’ privacy, liberties, safety, job opportunities, and cognition are protected from the rise of Artificial Intelligence. Eleanor Dearman, Fort Worth Star-Telegram, 14 Feb. 2026 Studies like Zatorre’s have also given neuroscientific credence to Meyer’s theory of music and expectation, according to Amy Belfi, a music-cognition researcher at Missouri University of Science and Technology who was not involved in his research. Shayla Love, New Yorker, 11 Feb. 2026 See All Example Sentences for cognition

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

Time Traveler
The first known use of cognition was in the 15th century

Browse Nearby Words

Cite this Entry

“Cognition.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cognition. Accessed 20 Feb. 2026.

Kids Definition

cognition

noun
cog·​ni·​tion käg-ˈnish-ən How to pronounce cognition (audio)
: the act or process of knowing

Medical Definition

cognition

noun
cog·​ni·​tion käg-ˈnish-ən How to pronounce cognition (audio)
1
: cognitive mental processes
2
: a conscious intellectual act
conflict between cognitions
Last Updated: - Updated example sentences
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