And why do you and all men regard or reward a loving thankful, obedient child, more than one that will scorn you and spit in your face?
Experiments in the macaque show that eye movement speed can be >20% higher when the target is rewarded compared with nonrewarded (Bendiksby and Platt 2006).
Unmonopolizing the rewards of learning and industry. — Milton.
Meaning of rewarding for the defined word.
Grammatically, this word "rewarding" is an adjective. It's also a verb, more specifically, a verb form.