Source : Webster's Revised Unabridged Dictionary (1913)

Sanctity \Sanc"ti*ty\, n.; pl. {Sanctities}. [L. sanctitas, from
   sanctus holy. See {Saint}.]
   1. The state or quality of being sacred or holy; holiness;
      saintliness; moral purity; godliness.

            To sanctity she made no pretense, and, indeed,
            narrowly escaped the imputation of irreligion.
                                                  --Macaulay.

   2. Sacredness; solemnity; inviolability; religious binding
      force; as, the sanctity of an oath.

   3. A saint or holy being. [R.]

            About him all the sanctities of heaven. --Milton.

   Syn: Holiness; godliness; piety; devotion; goodness; purity;
        religiousness; sacredness; solemnity. See the Note under
        {Religion}.

Source : WordNet®

sanctity
     n : the quality of being holy [syn: {holiness}] [ant: {unholiness}]