observance: Meaning and Definition of

ob•serv•ance

1. an act or instance of following, obeying, or conforming to: the observance of traffic laws.
2. a keeping or celebration by appropriate procedure, ceremonies, etc.: the observance of the Sabbath.
3. a procedure, ceremony, or rite, as for a particular occasion: patriotic observances.
4. a rule or custom to be followed or obeyed; a customary practice.
1. a rule or discipline for a religious house or order.
2. a house or order observing a rule or discipline.
6. an act or instance of watching, noting, or perceiving; observation.
7. respectful attention or service.
8. courteous attention as to a person; dutiful service.