Here are the possible solutions for reunion goer for short clue
Answer
Clue
Relevancy
alum
Clue
Reunion-goer, for short
Reunion goer
Definition
a sulphate of ammonium and potassium, used as a mordant
grad
Clue
Reunion-goer
Reunion goer
Definition
(colloquial) a graduate
frere
Clue
Réunion reunion attendee
Definition
a friar
madea
Clue
Title character of film who has a family reunion and class reunion, goes to jail, has a big happy family, goes into the Witness Protection Program, and celebrates Christmas