(a.) Tending to, or intended for, correction; used for correction; as, a correctional institution.

avenging castigating castigatory chastening chastising compensatory correctional corrective disciplinary grudgeful grueling implacable inflictive irreconcilable penal penological punishing punitory rancorous reciprocal recompensing recompensive reparative restitutive retaliative retaliatory retributive retributory revanchist revengeful unappeasable vengeful vindicatory vindictive