Ef*fec"tu*al (?; 135), a. [See Effect, n.]
Producing, or having adequate power or force to produce, an intended effect; adequate; efficient; operative; decisive. Shak.
Effectual steps for the suppression of the rebellion.
Macaulay. Effectual calling (Theol.), 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.
Syn. -- Effectual, Efficacious, Effective. An efficacious remedy is had recourse to, and proves effective if it does decided good, effectual if it does all the good desired. C. J. Smith.