The Oxford Thesaurus An A-Z Dictionary of Synonyms - ambitionn.

1) hunger, thirst, craving, appetite, arrivisme: John's relentless ambition may yet be his undoing. 2) drive, enterprise, energy, initiative, vigour, enthusiasm, zeal, avidity, Colloq get-up-and-go: The company is seeking young men of ambition. You'll never get anywhere, Stewart, since you are totally lacking in ambition. 3) goal, object, aim, aspiration, hope, desire, dream, objective, wish, purpose: It is Olivia's ambition to marry someone with a title.