Definition of: inclination

(in′klə·nā′shən) noun
1. Deviation from a given direction, especially from the vertical or horizontal.
2. The act of inclining or state of being inclined.
3. A slope or declivity.
4. A mental bent or tendency; predilection.
5. Geom. The angle between two lines, planes, etc.
6. Astron. The angle formed between the orbital plane of a planet and the ecliptic. [<F <L inclinatio, -onis]
—in·cli·na·to·ry (in·klī′nə·tôr′ē, -tō′rē) adjective Synonyms: appetite, attraction, bent, bias, desire, direction, disposition, drift, fancy, predilection, prepossession, proclivity, proneness, propensity, tendency, See AIM, APPETITE, ATTACHMENT, DESIRE, DIRECTION, FANCY, RELISH, WILL. Antonyms: aversion, disinclination, dislike, opposition, repulsion, resistance.