observance
nounThe act or practice of observing or complying with a law, custom, command, or rule.
nounThe act or custom of keeping or celebrating a holiday or other ritual occasion.
nounA customary rite or ceremony.
nounThe act of watching; observation.
nounThe rule governing a religious order.
nounAttention; perception; heed; observation.
nounRespectful regard or attention; hence, reverence; homage.
nounThe act of observing, paying attention to, or following in practice; compliance in practice with the requirements of some law, custom, rule, or injunction; due performance: as, the observance of the sabbath; observance of stipulations; observance of prescribed forms.
nounA custom, rule, or thing to be observed, followed, or kept.
nounA rite or ceremony; an act performed in token of worship, devotion, or respect.