[{"Bold_text": "adjective", "List Items": ["logically connected; consistent:a coherent argument.", "having a natural or due agreement of parts; harmonious:a coherent design.", "cohering ;sticking together:a coherent mass of sticky candies.", "Physics, Optics.of or relating to waves that maintain a fixed phase relationship, as in coherent light coherent light,or light in which the electromagnetic waves maintain a fixed and predictable phase relationship with each other over a period of time. laser ."]}]