motivator

noun

mo·ti·va·tor | \ ˈmō-tə-ˌvā-tər

plural motivators

Definition of motivator

: one that motivates or impels someone or something a subconscious motivator of behavior : such as

a : a factor or situation that causes people to feel motivated to do something : incentive Only a fool, though, would deny that money is a very real and basic need and, of course, a motivator of sorts.— Robert W. Corl Exercising with someone else … can be a motivator. — Joanne Lannin Andre Harris, without basketball as a motivator, had slipped back into bad habits academically. — John Feinstein

b : a person who motivates others But Romo's not an enabler; he's a motivator, says [Jessica] Simpson. "If I'm not feeling good about myself, he'll say, 'Get your butt up and go to the gym then!'"— Michelle Tan