Source : Webster's Revised Unabridged Dictionary (1913)

neatness \neat"ness\, n.
   The state or quality of being neat.

Source : WordNet®

neatness
     n 1: the state of being neat and smart and trim [syn: {spruceness}]
     2: the trait of being neat and orderly [syn: {tidiness}] [ant:
        {untidiness}]