Source : Webster's Revised Unabridged Dictionary (1913)

Loftiness \Loft"i*ness\, n.
   The state or quality of being lofty.

Source : WordNet®

loftiness
     n 1: the condition of being high or lofty [syn: {highness}] [ant:
           {lowness}]
     2: impressiveness in scale or proportion [syn: {stateliness}, {majesty}]