[heed-n-iz-uhm] [ˈhidnˌɪzəm]
  • pursuit of or devotion to pleasure, especially to the pleasures of the senses
  • "NB We are including a small sampling of the letters up for auction for your review; they are part of a single set belonging to a certain idiosyncratic hostess who was known for her lavish entertaining and scandalous hedonism around the turn of the century."