The term 'belong intrinsically' can be summarized by the crossword solution 'INHERE, ' which is a six-letter word. INHERE is a verb that means to exist as an inseparable part of something, or to be an inherent part of something. It is often used to describe qualities or characteristics that are essential to something, and cannot be separated from it. For example, one might say that honesty inheres in a good friendship.