Related Clues:

• Liturgy
• Communion, e.g.
• Baptism and others
• Confirmation, e.g.
• Matrimony, bar mitzvah, etc.
• Ceremonial occasion
• Baptism, for one
• Initiation, e.g.
• Religious observance
• Baptism, e.g.
• Custom
• Confirmation, for one
• Confession, e.g.
• Religious observances
• Initiation procedure