The noun inclination has 8 senses (first 3 from tagged texts)
1. (2) inclination, disposition, tendency -- (an attitude of mind especially one that favors one alternative over others; "he had an inclination to give up too easily"; "a tendency to be too strict")
2. (1) inclination, inclination of an orbit -- ((astronomy) the angle between the plane of the orbit and the plane of the ecliptic stated in degrees)
3. (1) inclination, angle of inclination -- ((geometry) the angle formed by the x-axis and a given line (measured counterclockwise from the positive half of the x-axis))
4. dip, angle of dip, magnetic dip, magnetic inclination, inclination -- ((physics) the angle that a magnetic needle makes with the plane of the horizon)
5. inclination -- (that toward which you are inclined to feel a liking; "her inclination is for classical music")
6. tilt, list, inclination, lean, leaning -- (the property possessed by a line or surface that departs from the vertical; "the tower had a pronounced tilt"; "the ship developed a list to starboard"; "he walked with a heavy inclination to the right")
7. tendency, inclination -- (a characteristic likelihood of or natural disposition toward a certain condition or character or effect; "the alkaline inclination of the local waters"; "fabric with a tendency to shrink")
8. inclination, inclining -- (the act of inclining; bending forward; "an inclination of his head indicated his agreement")