- the act or practice of observing, or keeping, a law, duty, custom, rule, etc.
- a customary act, rite, ceremony, etc.
- the act of observing, or noting; observation
- Archaic respectful attention; deference
- the rule observed by a religious order
- the order observing a specified rule
Origin of observanceMiddle English observaunce from Old French observance from Classical Latin observantia, attention, regard, in LL(Ec), divine worship