Source : Webster's Revised Unabridged Dictionary (1913)

Opulence \Op"u*lence\, n. [L. opulentia: cf. F. opulence. See
   {Opulent}.]
   Wealth; riches; affluence. --Swift

Source : WordNet®

opulence
     n : wealth as evidenced by sumptuous living [syn: {luxury}, {luxuriousness},
          {sumptuousness}]