motivation

(noun) the psychological feature that arouses an organism to action toward a desired goal; the reason for the action; that which gives purpose and direction to behavior. Synonyms: motive, need. Examples: "We did not understand his motivation." "He acted with the best of motives."

(noun) the condition of being motivated. Example: "His motivation was at a high level."

(noun) the act of motivating; providing incentive. Synonyms: motivating.