You searched for: “confirmation
confirmation
1. The act of verifying or ratifying something.
2. Something that supports, validates, or verifies something else: "He said it was a confirmation of his worst thoughts."
3. In Christianity, a religious ceremony that marks someone's formal acceptance into a church.
4. In Reform Judaism, a ceremony that marks the completion of someone's religious training and entry into full adult membership of the community.
(Latin: Probably from mitulus "mussel", of unknown origin [the change from m to n has not been explained]. It is also said to possibly come from Latin nidificare or nidulari, "to nest"; from nidus "nest", but there is no confirmation for either theory)