Effectual

Part of speech: adjective (a.)

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.

Synonyms: 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.