Instate :: Instate (v. t.) To set, place, or establish, as in a rank, office, or condition; to install; to invest; as, to instate a person in greatness or in favor..
Reinstate :: Reinstate (v. t.) To place again in possession, or in a former state; to restore to a state from which one had been removed; to instate again; as, to reinstate a king in the possession of the kingdom..
Reinstatement :: Reinstatement (n.) The act of reinstating; the state of being reinstated; re/stablishment.