Answer:

auditorium

Answer	Crossword Clue
AUDITORIUM	Room for performances
AUDITORIUM	Assembly hall
AUDITORIUM	School's assembly hall

AUDITORIUM	Carnegie Hall.
AUDITORIUM	Kin of an aula
AUDITORIUM	"The principal's classroom"

Crossword

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