Definitions for "RCIA"
a journey of faith and Christian experience by which those who seek to become members of the Roman Catholic Church are gradually and purposefully introduced into the full life of faith. The RCIA, one of sacramental rites restored by Vatican Council II, was promulgated in 1974.
Acronym for Rite of Christian Initiation of Adults for use in scholarly reference to identify the paragraph. The term RCIA is discouraged for popular usage.