Source : Webster's Revised Unabridged Dictionary (1913)

Enterprising \En"ter*pri`sing\, a.
   Having a disposition for enterprise; characterized by
   enterprise; resolute, active or prompt to attempt; as, an
   enterprising man or firm. -- {En"ter*pri`sing*ly}, adv.

Source : WordNet®

enterprising
     adj 1: marked by imagination, initiative, and readiness to
            undertake new projects; "an enterprising foreign
            policy"; "an enterprising young man likely to go far"
            [ant: {unenterprising}]
     2: marked by aggressive ambition and energy and initiative; "an
        aggressive young exective"; "a pushful insurance agent";
        "a pushing youth intent on getting on in the world" [syn:
        {aggressive}, {pushful}, {pushing}, {pushy}]