Source : Webster's Revised Unabridged Dictionary (1913)

Benefaction \Ben`e*fac"tion\, n. [L. benefactio, fr. benefacere
   to do good to one; bene well + facere to do. See {Benefit}.]
   1. The act of conferring a benefit. --Johnson.

   2. A benefit conferred; esp. a charitable donation.

   Syn: Gift; present; gratuity; boon; alms.

Source : WordNet®

benefaction
     n 1: a contribution of money or assistance
     2: an act intending or showing kindness and good will [syn: {benevolence}]