the world > action or operation > behaviour > reciprocal treatment or return of an action > reward or a reward > of things: yield recompense [verb (reflexive)] (2)
transitive (reflexive). Of an action or virtue: to reward itself, be its own reward. Obsolete.
transitive. Of a thing: to reward or yield a good return for (a person's effort, sacrifice, etc.). Also reflexive: to be worthwhile or rewarding.