The Collaborative International Dictionary of English v.0.48:

Reinstate \Re`in*state"\ (-st?t"), 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.
   [1913 Webster]

         For the just we have said already thet some of them
         were reinstated in their pristine happiness and
         felicity.                                --Glanvill.
   [1913 Webster]

WordNet (r) 3.0 (2006):

reinstate
    v 1: restore to the previous state or rank
    2: bring back into original existence, use, function, or
       position; "restore law and order"; "reestablish peace in the
       region"; "restore the emperor to the throne" [syn: restore,
       reinstate, reestablish]