observance
/ɒb.sər.vəns/Definitions
1. noun
the act of paying attention to or noting a particular event, situation, or fact
“The observance of the new year was marked by fireworks and parties.”
2. noun
a custom or tradition that is followed or practiced
“The observance of Lent is a significant part of the Christian calendar.”
3. noun
a formal ceremony or ritual
“The observance of the anniversary was a solemn affair.”
4. verb
to pay attention to or note a particular event, situation, or fact
“She will observe the eclipse with a pair of binoculars.”
5. verb
to follow or practice a custom or tradition
“The family observes the tradition of eating turkey on Thanksgiving.”
6. verb
to participate in a formal ceremony or ritual
“The students will observe the graduation ceremony.”