[f. as prec. + -NESS.] The condition or quality of being successful.
1649. Roberts, Clavis Bibl., 180. Their victorious successfulnesse in military exploits against their enemies.
1754. J. Edwards, Freed. Will, IV. v. 220. The Successfulness, or Unsuccessfulness of Means in order to an Effect,… consists in those Means being connected or not connected with the Effect.
1879. Meredith, Egoist, xliii. Its prevailing successfulness in the country where he was placed.
