WordNet (r) 3.0 (2006):

afterlife
    n 1: life after death [syn: afterlife, hereafter]

Moby Thesaurus II by Grady Ward, 1.0:

42 Moby Thesaurus words for "afterlife":
   Heaven, Paradise, a better place, afterworld, beyond, destiny,
   eternal home, everlastingness, fate, following, future state,
   future time, hangover, home, immortality, lateness,
   life after death, life to come, next life, next world, otherworld,
   postdate, postdating, posteriority, postexistence, provenience,
   remainder, sequence, subsequence, succession, supervenience,
   supervention, the beyond, the good hereafter, the grave,
   the great beyond, the great hereafter, the hereafter, the unknown,
   what bodes, what is fated, world to come