Worthy of reward. / Capable of being rewarded.

The quality of being rewardable.

Quality of being rewardable.

In a way that merits a reward.

The quality of being rewardful.

A reward, such as food, that is tangible and visible to others, and external (as opposed to an intrinsic reward).

A reward, such as the mental satisfaction of completing a challenging task, that is intangible and invisible to others (as opposed to extrinsic reward).

plural of extrinsic reward

plural of intrinsic reward

A reward that follows or which comes after