living room 
noun
A room in a house for general everyday use: sitting around in the living room watching TV all day...
- Do you share at least one meal a day or share a living room or sitting room with a group of people?
- The house had six bedrooms, a big living room and a cramped kitchen with a pantry out the back.
- Draperies, of course, are a popular choice for living rooms and dining rooms.
Synonyms
sitting room, lounge, parlour, front room, drawing room, morning room, reception room, salon, family room;
TV room;
common room