Answer:

FEST

Answer	Crossword Clue
FEST	Oktober ending
FEST	Celebration
FEST	Suffix with slug or song

FEST	Slug's tail?
FEST	Song ending?
FEST	Gab or song ending
FEST	Slug ending
FEST	Gab or slug ending
FEST	Gathering suffix
FEST	Joke ending?
FEST	Song follower

FEST	Ending with slug or gab
FEST	Slug or song ending
FEST	Suffix with slug
FEST	Gab attachment
FEST	Suffix with song
FEST	Suffix with gab or slug
FEST	Slug follower?
FEST	Ending with slug or Oktober

FEST	Celebration suffix
FEST	Ending for Oktober
FEST	Fun finish
FEST	Fun ending
FEST	Gala gathering
FEST	Celebratory suffix
FEST	Suffix for slug
FEST	Song or slug ending

FEST	Slug or song ender
FEST	Song or slug tag
FEST	Song or gab add-on
FEST	Song or slug add on
FEST	Gab ending
FEST	Film follower?
FEST	"Gathering" ender
FEST	Song finish

FEST	Song or slug follower
FEST	Group-activity ending
FEST	Suffix for slug or song
FEST	Ending for slug
FEST	Talk finisher

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.