rational motive - a motive that can be defended by reasoning or logical argument

dynamic, moral force - an efficient incentive; "they hoped it would act as a spiritual dynamic on all churches"

incentive program, incentive scheme - a formal scheme for inducing someone (as employees) to do something

dividend - a bonus; something extra (especially a share of a surplus)

sales incentive - remuneration offered to a salesperson for exceeding some predetermined sales goal

payment - a sum of money paid