In Christianity, baptism (from Greek βάπτισμα and βαπτισμός, meaning "immersing", "performing ablution" - see below) is the sacramental act of cleansing in water that admits one as a full member of the Church. Most Christians, such as Roman Catholics, Eastern Orthodox, Lutherans, Anglicans, and Methodists are baptized as infants. Baptists and certain other groups baptize only a… (More on Baptism)