liturgy
/ˈlɪtərˌdʒi/Definitions
1. noun
a formal or ceremonial ritual, especially in a Christian church
“The priest led the congregation through the morning liturgy.”
2. noun
a system or body of rituals and practices associated with a particular church or denomination
“The liturgy of the Eastern Orthodox Church is known for its elaborate rituals and ceremonies.”
3. noun
a formal or ceremonial routine or procedure
“The company has a strict liturgy for conducting business meetings.”