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.
© Webster 1913.