The Collaborative International Dictionary of English v.0.48:

Bequeathal \Be*queath"al\, n.
   The act of bequeathing; bequeathment; bequest. --Fuller.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

66 Moby Thesaurus words for "bequeathal":
   abalienation, alienation, amortization, amortizement, assignation,
   assignment, attested copy, bargain and sale, barter, bequest,
   birthright, borough-English, cession, codicil, coheirship,
   conferment, conferral, consignation, consignment, conveyance,
   conveyancing, coparcenary, deeding, deliverance, delivery, demise,
   devise, disposal, disposition, enfeoffment, entail, exchange,
   gavelkind, giving, heirloom, heirship, hereditament, heritable,
   heritage, heritance, incorporeal hereditament, inheritance,
   law of succession, lease and release, legacy, line of succession,
   mode of succession, patrimony, postremogeniture, primogeniture,
   probate, reversion, sale, settlement, settling, succession,
   surrender, testament, trading, transfer, transference,
   transmission, transmittal, ultimogeniture, vesting, will