'Beneficially' definitions:

Definition of 'beneficially'

From: WordNet
adverb
In a beneficial manner; "this medicine will act beneficially on you"

Definition of 'Beneficially'

From: GCIDE
  • Beneficially \Ben`e*fi"cial*ly\, adv. In a beneficial or advantageous manner; profitably; helpfully. [1913 Webster]