Source : Webster's Revised Unabridged Dictionary (1913)

Abnegation \Ab`ne*ga"tion\, n. [L. abnegatio: cf. F.
   abn['e]gation.]
   a denial; a renunciation.

         With abnegation of God, of his honor, and of religion,
         they may retain the friendship of the court. --Knox.

Source : WordNet®

abnegation
     n 1: the denial and rejection of a doctrine or belief;
          "abnegation of the Holy Trinity"
     2: renunciation of your own interests in favor of the interests
        of others [syn: {self-abnegation}, {denial}, {self-denial},
         {self-renunciation}]