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. CONCEPT definition: a general notion or idea; conception. See examples of concept used in a sentence. It is sometimes easier to illustrate an abstract concept by analogy with something concrete. The whole concept of democracy, she claimed, was utterly foreign to the present government. A concept is a thought or idea. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. 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 … a central or unifying idea or theme [often used attributively] a concept restaurant with a Victorian decor and menu See synonymy note idea.