Baptism :  (noun)

1: a Christian sacrament signifying spiritual cleansing and rebirth; "most churches baptize infants but some insist on adult baptism"

acceptance, admission, admittance, affusion, appellation, aspergation, aspersion, baptismal gown, baptismal regeneration, baptistery, baptizement, bath, bathing, bedewing, burial, calling, chrismal, christening, confirmation, dampening, damping, definition, deluge, denomination, designation, dewing, dip, dipping, dousing, drowning, duck, ducking, dunking, engulfment, enlistment, enrollment, extreme unction, flooding, font, holy orders, hosing, hosing down, humidification, identification, immergence, immersion, immission, inauguration, induction, infusion, initiation, installation, instatement, intromission, inundation, investiture, irrigation, laving, matrimony, moistening, naming, nicknaming, ordination, penance, rinsing, seven sacraments, sinking, souse, sousing, sparging, spattering, splashing, splattering, spraying, sprinkling, styling, submergence, submersion, swashing, terming, the Eucharist, total immersion, watering, wetting,