Source : Webster's Revised Unabridged Dictionary (1913)

Profuseness \Pro*fuse"ness\, n.
   Extravagance; profusion.

         Hospitality sometimes degenerates into profuseness.
                                                  --Atterbury.

Source : WordNet®

profuseness
     n : the property of being extremely abundant [syn: {profusion},
         {richness}, {cornucopia}]