Rewardably is an adverb that describes an action or task performed in a way that merits or deserves a reward or recognition. Synonyms for this term include "deservingly", as it emphasizes the deserving nature of the action or task. "Meritoriously", another synonym, underscores the notion that the action is praiseworthy and deserving of merit. Furthermore, "commendably" can be used to convey the idea that the action is worthy of praise or admiration. "Creditably" is also a suitable alternative, highlighting the notion that the action is deserving of acknowledgment or credit. All these synonyms convey the sense of accomplishment and worthiness that rewardably entails.