motivator

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++mo·ti·va·tor /ˈməʊtəveɪtə $ ˈmoʊtəveɪtər/ noun [countable]  something or someone that makes you want to do or achieve something 起激励作用的事[人]，促进因素；动力 → incentive Money is a good motivator. 钱是一个很大的动力。

Examples from the Corpus

motivator• Like Kev says I rate him highly both as a defender and a motivator.• As a special-teams coach, Tillman was known as a motivator.• Moseley thinks the defeat will serve as a motivator this week against Washington and Washington State.• This could be a disadvantage but sometimes served as a motivator.• Money is a good motivator.• Fear, as we all know, is a great motivator.• Status can be an important motivator.• The other motivator could be violence on the streets.• Sales team motivators and psychologists agree that if you want something to happen badly enough, you can make it happen.

mo·ti·va·tor nounChineseSyllable  

or you makes someone that something want to Corpus

motivator
mo‧ti‧va‧tor /ˈməʊtəveɪtə, ˈməʊtɪveɪtə $ ˈmoʊtəveɪtər/ noun [countable]
something or someone that makes you want to do or achieve something ⇨ incentive:
    Money is a good motivator.