noun co·gi·to \ˈkä-gi-ˌtō, ˈkō-, ˈkä-ji-\

Definition of cogito

  1. 1 :  the philosophical principle that one's existence is demonstrated by the fact that one thinks

  2. 2 :  the intellectual processes of the self or ego

Origin and Etymology of cogito

New Latin cogito, ergo sum, literally, I think, therefore I am, principle stated by René Descartes

First Known Use: 1838

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