reunion
n. countable B1 Intermediate US //ɹiˈunjən// UK //ɹˌiːjˈuːniən// re·union
n. a social event where people who have not seen each other for a long time meet again. It is often for family members or old school friends.
n. a social gathering of people who have been separated or have not met for a significant period. Often used in the context of familial or educational groups.
The family is planning a big reunion this summer.
She felt nervous about attending her high school reunion after twenty years apart from her classmates.
The emotional weight of the reunion was evident as former colleagues shared stories of their shared struggles during the company's early years.
Usage
Often takes the preposition 'with' when describing the act of meeting again.