Source : Webster's Revised Unabridged Dictionary (1913)

Wealthiness \Wealth"i*ness\, n.
   The quality or state of being wealthy, or rich; richness;
   opulence.

Source : WordNet®

wealthiness
     n : the state of being rich and affluent; having a plentiful
         supply of material goods and money; "great wealth is not
         a sign of great intelligence" [syn: {wealth}] [ant: {poverty}]