Bible Dictionaries
Efficacious

Webster's Dictionary

(n.) Possessing the quality of being effective; productive of, or powerful to produce, the effect intended; as, an efficacious law.

Bibliography Information
Webster, Noah. Entry for 'Efficacious'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​e/efficacious.html. 1828.