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.
His mobility and cognition have been terrific. Rachel Desantis, PEOPLE, 19 Dec. 2025 These interactions—which provide the instructional manual for a child’s brain to wire itself for language, cognition, and socioemotional development—are the exact interactions that AI systems are designed to mimic. Dr. Dana Suskind, Time, 18 Dec. 2025 The emission changed as people did different mental tasks, but whether these photons play a role in cognition at all remains to be seen. Allison Parshall, Scientific American, 18 Dec. 2025 Instead, its Atlas humanoid is built around a layered control structure inspired by human cognition and motor control. Jijo Malayil, Interesting Engineering, 18 Dec. 2025 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 27 Dec. 2025.

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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!