usage: "Bismarck was constantly criticised by the more liberal newspapers, and he retaliated by passing an emergency decree that effectually muzzled the press"
Producing or capable of producing an intended result or having a striking effect.
usage: "an air-cooled motor was more effective than a witch's broomstick for rapid long-distance transportation-LewisMumford; "effective teaching methods"; "effective steps toward peace"; "made an effective entrance"; "his complaint proved to be effectual in bringing action"; "an efficacious law"
Able to accomplish a purpose; functioning effectively.
usage: "people who will do nothing unless they get something out of it for themselves are often highly effective persons...-G. B. Shaw; "effective personnel"; "an efficient secretary"; "the efficient cause of the revolution"