ambition
ambition (ăm-bĭshʹən) noun
1. a. An eager or strong desire to achieve something, such as fame or power. b. The object or goal desired: Her ambition is the presidency.
2. Desire for exertion or activity; energy: had no ambition to go dancing.
[Middle English ambicioun, excessive desire for honor, power, or wealth, from Old French ambition, from Latin ambitiō, ambitiōn-, from ambitus past participle of ambīre, to go around (for votes). See ambient.]