The Collaborative International Dictionary of English v.0.48:

Comeliness \Come"li*ness\, n. [See Comely.]
   The quality or state of being comely.
   [1913 Webster]

         Comeliness is a disposing fair
         Of things and actions in fit time and place. --Sir J.
                                                  Davies.
   [1913 Webster]

         Strength, comeliness of shape, or amplest merit.
                                                  --Milton.
   [1913 Webster]

         Comeliness signifies something less forcible than
         beauty, less elegant than grace, and less light than
         prettiness.                              --Johnson.
   [1913 Webster]

WordNet (r) 3.0 (2006):

comeliness
    n 1: the quality of being good looking and attractive [syn:
         comeliness, fairness, loveliness, beauteousness]