What does the word effectual mean?

Usage examples for effectual

  1. To this day no effectual steps have been taken by public authority for the purpose of obtaining accurate accounts of the produce of the English soil. – The History of England from the Accession of James II. Volume 1 (of 5) by Thomas Babington Macaulay
  2. " And we can bite," I said haughtily, though how we were to bite or do anything else effectual with nothing but a Union Jack, I did not in the least know. – Allan and the Holy Flower by H. Rider Haggard
  3. The Revival was to produce them in due course, but meanwhile the mass of the people was untouched by any effectual Christian influences, save where the Methodist clergy, or Wesley's itinerants, brought the gospel home to them. – Fletcher of Madeley by Frederic W. Macdonald