advantageousness

from WordNet (r) 3.0 (2006)

advantageousness
    n 1: the quality of being encouraging or promising of a
         successful outcome [syn: {favorableness}, {favourableness},
         {advantageousness}, {positivity}, {positiveness},
         {profitableness}] [ant: {unfavorableness},
         {unfavourableness}]

from The Collaborative International Dictionary of English v.0.48

Advantageousness \Ad`van*ta"geous*ness\, n.
   Profitableness.
   [1913 Webster]