The Collaborative International Dictionary of English v.0.48:

Monde \Monde\ (m[^o]Nd), n. [F. See Mundane.]
   The world; a globe as an ensign of royalty. [R.] --A.
   Drummond.
   [1913 Webster]

   Le beau monde [F.], fashionable society. See Beau monde.


   Demi monde. See Demimonde.
      [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

29 Moby Thesaurus words for "monde":
   Vanity Fair, beau monde, beautiful people, best people,
   cafe society, carriage trade, cream of society, drawing room,
   elite, fashionable society, good society, haut monde, high life,
   high society, in-crowd, jet set, jeunesse doree, people of fashion,
   polite society, right people, salon, smart set, social register,
   societe, society, the Four Hundred, upper crust, uppercut,
   world of fashion