retribute
Re*trib"ute, v. t. Etym: [L. retributus, p. p. ofretribuere to retribute; pref re- + tribuere to bestow, assign, pay. See Tribute.] Defn: To pay back; to give in return, as payment, reward, or punishment; to requite; as, to retribute one for his kindness; to retribute just punishment to a criminal. [Obs. or R.] Locke.