initiation

INITIA'TION, n. [L. initiatio.] The act or process of introducing one into a new society, by instructing him in its principles, rules or ceremonies; as, too initiate a person into a christian community.

1. The act or process of making one acquainted with principles before unknown.

2. Admission by application of ceremonies or use of symbols; as, to initiate one into the visible church by baptism.