Concepts make it possible to form and combine ideas, draw inferences, and refer to external objects. They act as the meanings of words and play a central role in many cognitive processes, including … 3 days ago · The meaning of CONCEPT is something conceived in the mind : thought, notion. How to use concept in a sentence. Synonym Discussion of Concept. Explanation A concept is a thought or idea. The whole concept of democracy, she claimed, was utterly foreign to the present government. a general notion or idea; conception. an idea of something formed by mentally combining all its characteristics or particulars; a construct. a directly conceived or intuited object of thought. a general notion or idea; conception. an idea of something formed by mentally combining all its characteristics or particulars; a construct. a directly conceived or intuited object of ….