Pelagian

Webster's Practical Dictionary- A Practical Dictionary of the Englih Language · 1884 · p. 302

pe-la'jt-an, n. (Eccl. Hist.) A follower Pelagius, a monk of the 4th cent, who denied received doctrines in respect to original sin, free will, grace, and the merit of good works. — Pela'gianism, -izm, n. The doctrines of Pelagius.