the.com/commemoration
Officially agreeing to remember something so you can stop thinking about it.
means A formal act or ceremony honoring a person or event so it isn't forgotten.
from From Latin commemorare, to call to mind together — com (with) plus memorare (to remind), built on memor, mindful.
Built-in togethernessThe com means remembering is a group sport.
Memory's cousinsShares roots with memory, memorial, and memoir.
Coin dutyCommemorative coins exist mostly to be hoarded, never spent.