The Collaborative International Dictionary of English v.0.48:

Bereavement \Be*reave"ment\ (b[-e]*r[=e]v"ment), n.
   The state of being bereaved; deprivation; esp., the loss of a
   relative by death.
   [1913 Webster]

WordNet (r) 3.0 (2006):

bereavement
    n 1: state of sorrow over the death or departure of a loved one
         [syn: mourning, bereavement]

Moby Thesaurus II by Grady Ward, 1.0:

36 Moby Thesaurus words for "bereavement":
   abridgment, cost, curtailment, damage, dead loss, debit, denial,
   denudation, deprivation, deprivement, despoilment, destruction,
   detriment, disburdening, disburdenment, disentitlement,
   dispossession, divestment, expense, forfeit, forfeiture, injury,
   loser, losing, losing streak, loss, perdition, privation,
   relieving, robbery, ruin, sacrifice, spoliation, stripping,
   taking away, total loss