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Webster 1913 Edition
Lenity
Len′i-ty
(-ty̆)
, Noun.
 The state or quality of being lenient; mildness of temper or disposition; gentleness of treatment; softness; tenderness; clemency; – opposed to 
severity 
and rigor
. 
Syn. – Gentleness; kindness; tenderness; softness; humanity; clemency; mercy. 
Webster 1828 Edition
Lenity
LEN'ITY
,Noun.
  Mildness of temper; softness; tenderness; mercy.  Young offenders may be treated with lenity.  It is opposed to severity and rigor.