MOTIVATION
motivation, motive, need
(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; “we did not understand his motivation”; “he acted with the best of motives”
motivation, motivating
(noun) the act of motivating; providing incentive
motivation
(noun) the condition of being motivated; “his motivation was at a high level”
Source: WordNet® 3.1
Etymology
Noun
motivation (plural motivations)
Willingness of action especially in behavior.
The action of motivating.
Something which motivates.
An incentive or reason for doing something.
(advertising) A research rating that measures how the rational and emotional elements of a commercial affect consumer intention to consider, visit, or buy something.
Source: Wiktionary