Logically connected and consistent. The professor's lecture was coherent, making it easy for students to follow the complex topic.
Able to speak clearly and logically. Despite the stress of the situation, she remained coherent and explained her point of view effectively.
The artist's work was praised for its coherent style, which tied all the pieces together beautifully.
(Physics) Having waves that are in phase or maintain a constant phase relationship. The laser emits coherent light that can be precisely focused.