The term REUNION ATTENDEES, FOR SHORT can be summarized by two crossword solutions: GRADS and ALUMS. GRADS is an abbreviation for graduates, which refers to people who have completed a course of study at a university or college. ALUMS is an abbreviation for alumni, which refers to former students of a school, college, or university. Therefore, the term REUNION ATTENDEES, FOR SHORT can be used to refer to both graduates and alumni who attend reunions.