space,
accommodation, extent, span, capacity, scope
part
of building, area, apartment (formal), chamber (archaic or
literary)
scope,
opportunity, possibility, occasion, chance, leeway
rooms in public buildings: antechamber, anteroom, ballroom,
cell, classroom, dormitory, dressing room, entrance hall, foyer, gallery, games
room, hall, library, lobby, office, operating room, surgery, waiting room,
ward
rooms in private homes: attic, bathroom, bedchamber, bedroom,
day room, den, dining room, family room, garret, kitchen, laundry, living room,
loft, parlour, study, toilet, parlor, guestroom