saloniste

noun

1. (historical)One who attends salons (social gatherings).

   “Lady Ottoline Morrell, the extravagant saloniste whose lovers included Bertrand Russell, was among those who insisted on preserving a marriage even in the face of disaster: a weak-willed, emotionally fragile politician, Philip Morell had a near-breakdown in his wife’s presence when he “launched into a wild confession that he had not one but two pregnant mistresses.””