(1):
(n.) One who gives credit to the truth of the Scriptures, as a revelation from God; a Christian; - in a more restricted sense, one who receives Christ as his Savior, and accepts the way of salvation unfolded in the gospel.
(2):
(n.) One who was admitted to all the rights of divine worship and instructed in all the mysteries of the Christian religion, in distinction from a catechumen, or one yet under instruction.
(3):
(n.) One who believes; one who is persuaded of the truth or reality of some doctrine, person, or thing.