rite

noun

1. an established ceremony prescribed by a religion

   noun.act

   Examples

   The rite of baptism.

   Synonyms religious rite

   Source: WordNet 3.0

2. any customary observance or practice

   noun.act

   Synonyms ritual

   Source: WordNet 3.0

3. The act of performing divine or solemn service, as established by law, precept, or custom; a formal act of religion or other solemn duty; a solemn observance; a ceremony; as, the <i>rites</i> of freemasonry.

   noun

   Source: webster1913