noun: a sacrament admitting a baptized person to full participation in the church
noun: a ceremony held in the synagogue (usually at Pentecost) to admit as adult members of the Jewish community young men and women who have successfully completed a course of study in Judaism
noun: additional proof that something that was believed (some fact or hypothesis or theory) is correct
Example: "Fossils provided further confirmation of the evolutionary theory"
noun: information that confirms or verifies
noun: making something valid by formally ratifying or confirming it
