The Collaborative International Dictionary of English v.0.48:

Rekindle \Re*kin"dle\ (r?-k?n"d'l), v. t. & i.
   To kindle again.
   [1913 Webster]

WordNet (r) 3.0 (2006):

rekindle
    v 1: kindle anew, as of a fire
    2: arouse again; "rekindle hopes"; "rekindle her love"

Moby Thesaurus II by Grady Ward, 1.0:

48 Moby Thesaurus words for "rekindle":
   bank, bring back, bring to, burn, call back, conflagrate, enkindle,
   fan the flame, feed, feed the fire, fire, ignite, inflame, kindle,
   light, light up, reactivate, reanimate, recall to life, recharge,
   recruit, refresh, regenerate, reheat the ashes, reinspire,
   rejuvenate, relight, relume, renew, renovate, resurrect,
   resuscitate, retrieve, revitalize, revive, revivify, rewarm,
   set fire to, set on fire, stir the embers, stir the fire, stoke,
   stoke the fire, strike a light, torch, touch off, warm over,
   warm up