Search Result for "motivator": 
Wordnet 3.0

NOUN (1)

1. a positive motivational influence;
[syn: incentive, inducement, motivator]



WordNet (r) 3.0 (2006):

motivator
    n 1: a positive motivational influence [syn: incentive,
         inducement, motivator] [ant: deterrence,
         disincentive]