The Collaborative International Dictionary of English v.0.48:

Bestowal \Be*stow"al\, n.
   The act of bestowing; disposal.
   [1913 Webster]

WordNet (r) 3.0 (2006):

bestowal
    n 1: the act of conferring an honor or presenting a gift [syn:
         bestowal, bestowment, conferral, conferment]
    2: a gift that is bestowed or conferred [syn: bestowal,
       bestowment]

Moby Thesaurus II by Grady Ward, 1.0:

41 Moby Thesaurus words for "bestowal":
   accommodation, accordance, administration, application, applying,
   award, awarding, bestowment, communication, concession, conferment,
   conferral, contribution, deliverance, delivery, donation, dosage,
   dosing, endowment, enforcing, forcing, forcing on, furnishment,
   gifting, giving, grant, granting, impartation, impartment,
   investiture, liberality, meting out, offer, prescribing,
   presentation, presentment, provision, subscription, supplying,
   surrender, vouchsafement