Effectual /(?; 135)/

Ef·fec·tu·al

Effectual

a.
  1. Producing, or having adequate power or force to produce, an intended effect; adequate; efficient; operative; decisive.
    Effectual steps for the suppression of the rebellion.

Phrases & Compounds
Effectual calling
a doctrine concerning the work of the Holy Spirit in producing conviction of sin and acceptance of salvation by Christ, -- one of the five points of Calvinism. See Calvinism.