The Oxford Thesaurus An A-Z Dictionary of Synonyms - eagerness n.

1) avidity, zeal, earnestness, keenness, enthusiasm, fervour, hunger, vehemence, animation, vitality, appetite, zest, relish, spirit, spiritedness, gusto, verve, dash, ‚lan, vim, vigour, energy, Colloq get-up-and-go, zip, go: Such eagerness for learning is rare. In his eagerness to please everyone he satisfies no one. 2) desire, longing, wishing, yearning: He observed the eagerness, the open hunger, with which she now waited for Mr Browning.