noun
jubilee
JOO-bih-lee/ˈdʒuːbɪliː/
A celebration of a significant anniversary.
The town celebrates its centennial with a jubilee in the park.

Etymology
A ram’s horn proclaimed the jubilee year, when slaves were freed and lands restored. This recurring public observance gave the word its anniversary sense, while association with Latin “shout for joy” helped connect it with rejoicing.
In context
a nation's jubilee friends and citizens i need not enter further into the causes which led to this anniversary
More examples
- Our school holds a golden jubilee to mark its fiftieth anniversary.
- Volunteers decorate the hall for the library's jubilee.
- The queen's silver jubilee marks twenty-five years on the throne.
Forms
jubilee · jubilees
Similar words
- celebration
- Can honor any happy occasion, not just a significant anniversary.
- commemoration
- Emphasizes remembrance and may be solemn rather than festive.