Middle Englishcognisaunce, latinization (aftercognōscere and its derivatives) ofconissaunce, conoisance "knowledge, understanding, distinguishing mark (as on a shield)," borrowed from Anglo-Frenchconoisance, conisance, fromconisant,conoissant "aware, mindful" (from present participle ofconoistre "to know, be aware of," going back to Latincognōscere "to get to know, acquire knowledge of") +-ance-ance — more atcognition
14th century, in the meaning defined atsense 1
“Cognizance.”Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cognizance. Accessed 18 Feb. 2026.
cognizance
nouncognizance
nounOld Frenchconnoissance right to acknowledge and adjudicate issues, literally, knowledge, acquaintance, fromconnoistre to be acquainted with
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Merriam-Webster unabridged