Synonyms for Lounge (same or very similar meaning)
WordNet sense 1 (an upholstered seat for more than one person):
couch, sofaWordNet sense 2 (a room (as in a hotel or airport) with seating where people can wait):
waiting area, waiting roomWordNet sense 3 (be about):
lallygag, linger, loaf, loiter, lollygag, lurk, tarry, footle, tarry, hang around, mess about, mill about, mill aroundFrom the ODE community, based on WordNetadd/edit