"Coined" refers to the act of creating or inventing a new term or phrase. In social psychology, it typically means that an individual is credited with introducing and popularizing a specific concept or theory.
Related terms
Conceptualization: The process of formulating and defining abstract ideas or theories.
Neologism: A newly created word, phrase, or expression that is not yet widely recognized or used.
Popularize: To make something known, accepted, and embraced by a larger audience through widespread exposure and recognition.