A person's natural tendency or urge to act or feel in a particular way; a disposition. She has an inclination to help others in need.
The road had a steep inclination that made it difficult to climb.
The angle at which a straight line or plane is inclined to another. The inclination of the roof was designed to allow rainwater to run off easily.
A slight bend or tilt of the head or body as a gesture of respect, assent, or greeting. With a polite inclination of his head, he acknowledged the guests.
The tilt of an object's orbital plane relative to a given reference plane, expressed as an angle (astronomy). The Moon's orbital inclination to the ecliptic is about five degrees.