redound/rɪˈdaʊnd/ verb 3rd person present: redounds 1.FORMALcontribute greatly to (a person’s credit or honour).“his latest diplomatic effort will redound to his credit"synonyms:contribute to, be conducive to, result in, lead to, effect;More 2.ARCHAICcome back upon; rebound on."may his sin redound upon his head!"synonyms:rebound on, have an adverse effect on, come back on, recoil on; More