bribe n. Something, as money, offered or given to influence a person to act dishonestly. Syns: BOODLE, PAYOFF, PAYOLA --v. bribed, bribing. To corrupt or gain influence over by means of a bribe.
incentive n. Something inciting one to action or effort:stimulus.*So give your children an incentive when you feel it's appropriate, and don't feel guilty doing so. But please, don't bribe them! (I didn't think you'd want to anyway.)
* Webster's New Riverside Dictionary, copyright 1984 by Houghton Mifflin Company, pp. 91, 353.