Source : Webster's Revised Unabridged Dictionary (1913)

Lovingness \Lov"ing*ness\, n.
   Affection; kind regard.

         The only two bands of good will, loveliness and
         lovingness.                              --Sir. P.
                                                  Sidney.

Source : WordNet®

lovingness
     n 1: a loving feeling [syn: {caring}]
     2: a quality proceeding from feelings of affection or love
        [syn: {affectionateness}, {fondness}, {warmth}]