Answer:

pledges

Answer	Crossword Clue
PLEDGES	Vows
PLEDGES	Fratmen, once
PLEDGES	Public television campaign responses

PLEDGES	Promises
PLEDGES	Students who have promised to join fraternities.
PLEDGES	Fraternity prospects.
PLEDGES	Future frat members
PLEDGES	Fund-raisers' rewards
PLEDGES	Telethon call-ins
PLEDGES	Sorority candidates
PLEDGES	Goal of some drives

PLEDGES	Fraternity candidates
PLEDGES	"Animal House" beanie sporters
PLEDGES	Pinto and Flounder, in "Animal House"