Same word as renew:

begin again, brace, breathe new life into, bring up to date, continue, exhilarate, extend, fix up, freshen, gentrify, go over, mend, modernize, overhaul, prolong, reaffirm, reawaken, recommence, recondition, recreate, reestablish, refit, refresh, regenerate, rehabilitate, reinvigorate, rejuvenate, remodel, renovate, reopen, repair, repeat, replace, replenish, restate, restock, restore, resume, resuscitate, retread, revitalize, revive, spruce, stimulate, transform