Search Result for "pelagius": 
Wordnet 3.0

NOUN (1)

1. a British or Irish monk who denied the doctrines of original sin and predestination and defended human goodness and free will; his views were declared heretical by the Council of Ephesus in 431 (circa 360-418); 



WordNet (r) 3.0 (2006):

Pelagius
    n 1: a British or Irish monk who denied the doctrines of
         original sin and predestination and defended human goodness
         and free will; his views were declared heretical by the
         Council of Ephesus in 431 (circa 360-418)