inclination in WordNet English dictionary

1. (physics) the angle that a magnetic needle makes with the plane of the horizon
   dip  angle of dip  magnetic dip  magnetic inclination  inclination 
   
2. (geometry) the angle formed by the x-axis and a given line (measured counterclockwise from the positive half of the x-axis)
   inclination  angle of inclination 
   
3. 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"
   inclination  disposition  tendency 
   
4. the act of inclining; bending forward
   "an inclination of his head indicated his agreement"
   inclination  inclining 
   
5. 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"
   tendency  inclination 
   
6. 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"
   tilt  list  inclination  lean  leaning 
   
7. that toward which you are inclined to feel a liking
   "her inclination is for classical music"
   inclination 
   
8. (astronomy) the angle between the plane of the orbit and the plane of the ecliptic stated in degrees
   inclination  inclination of an orbit 
   

inclination in English Wiktionary