memorial service
noun
Definitions
A ceremony to honor a deceased person; a funeral.
Example: They had a very moving, emotional memorial service for the two popular teen-aged girls who died in a car accident over the weekend.
An informal service honoring a deceased person, especially one that does not adhere to the traditional customs of a funeral.
Example: When Grandpa died, instead of a traditional funeral, he wanted a memorial service where people were free to share their memories and socialize.