n (uncountable|countable) Eager or inordinate desire for some object that confers distinction, as preferment, honor, superiority, political power, or literary fame; desire to distinguish one's self from other people.
n (countable) An object of an ardent desire.
n A desire, as in (sense 1), for another person to achieve these things.
n (uncountable) A personal quality similar to motivation, not necessarily tied to a single goal.