'Effectually' definitions:

Definition of 'effectually'

From: WordNet
adverb
In an effectual manner; "Bismarck was constantly criticised by the more liberal newspapers, and he retaliated by passing an emergency decree that effectually muzzled the press" [ant: ineffectually]

Definition of 'Effectually'

From: GCIDE
  • Effectually \Ef*fec"tu*al*ly\, adv.
  • 1. With effect; efficaciously. [1913 Webster]
  • 2. Actually; in effect. [Obs.] --Fuller. [1913 Webster]