Source : Webster's Revised Unabridged Dictionary (1913)

Clemency \Clem"en*cy\, n.; pl. {Clemencies}. [L. clementia, fr.
   clemens mild, calm.]
   1. Disposition to forgive and spare, as offenders; mildness
      of temper; gentleness; tenderness; mercy.

            Great clemency and tender zeal toward their
            subjects.                             --Stowe.

            They had applied for the royal clemency. --Macaulay.

   2. Mildness or softness of the elements; as, the clemency of
      the season.

   Syn: Mildness; tenderness; indulgence; lenity; mercy;
        gentleness; compassion; kindness.

Source : WordNet®

clemency
     n 1: good weather with comfortable temperatures [syn: {mildness}]
     2: leniency and compassion shown toward offenders by a person
        or agency charged with administering justice; "he threw
        himself on the mercy of the court" [syn: {mercifulness}, {mercy}]