The Collaborative International Dictionary of English v.0.48:

Cleanliness \Clean"li*ness\ (kl[e^]n"l[i^]*n[e^]s), n. [From
   Cleanly.]
   State of being cleanly; neatness of person or dress.
   [1913 Webster]

         Cleanliness from head to heel.           --Swift.
   [1913 Webster]

WordNet (r) 3.0 (2006):

cleanliness
    n 1: the habit of keeping free of superficial imperfections
    2: diligence in keeping clean [ant: uncleanliness]

Moby Thesaurus II by Grady Ward, 1.0:

48 Moby Thesaurus words for "cleanliness":
   asepsis, blamelessness, blotlessness, chastity, clean slate,
   cleanly habits, cleanness, clear conscience, daintiness,
   fastidiousness, faultlessness, freshness, guiltlessness, honor,
   hospital cleanliness, immaculacy, immaculateness, impeccability,
   innocence, innocency, innocentness, nothing to hide,
   offenselessness, prelapsarian state, pureness, purity,
   reproachlessness, sexual innocence, sinlessness, snowiness,
   spotlessness, stainlessness, sterility, taintlessness, tidiness,
   unblemishedness, unblottedness, uncorruptness, undefiledness,
   unguiltiness, unsoiledness, unspottedness, unstainedness,
   unsulliedness, untaintedness, virtue, virtuousness, whiteness