WordNet (r) 3.0 (2006):

recondition
    v 1: bring into an improved condition; "He reconditioned the old
         appliances"

Moby Thesaurus II by Grady Ward, 1.0:

38 Moby Thesaurus words for "recondition":
   cobble, commission, condition, darn, do up, doctor, face-lift, fix,
   fix up, furbish, mend, overhaul, patch, patch up,
   put in commission, put in order, put in repair, put in shape,
   ready, recap, reclaim, reeducate, refit, refresh, refurbish,
   rehabilitate, reinstruct, renew, renovate, repair, repatriate,
   retread, revamp, service, set to rights, sew up, tinker,
   tinker up