Having a leaning or tendency; disposed. Inclined plane, a plane at an angle with the plane of the horizon less than a right angle.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (participle, adjective) (p. p. / a.) (past participle / adjective)
Deviating or leaning from the perpendicular; sloping; disposed.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (adjective) (adj.) (adjective)

Usage examples:

I am inclined to believe that you have spoken the truth.
- The Evil Shepherd by E. Phillips Oppenheim
I think it must have been my third birthday, though granny is half inclined to think it was my fourth.
- My New Home by Mary Louisa Molesworth
Peth seemed inclined to wait and see how things turned out before making for shore.
- Isle o' Dreams by Frederick F. Moore