WordNet sense 1 (return to its original or usable and functioning condition):

reconstruct

WordNet sense 2 (bring back into original existence, use, function, or position):

reestablish, reinstate

WordNet sense 3 (give or bring back):

restitute

WordNet sense 4 (restore by replacing a part or putting together what is torn or broken):

bushel, doctor, fix, mend, repair, repair, touch on, furbish up

WordNet sense 5 (return to life; get or give new life or energy):

regenerate, rejuvenate, regenerate