Leniency (noun)

1. The quality of being lenient; mildness; mild-temperedness.
2. The quality of being merciful or forgiving; clemency.

Origin:

Early 15c., from old french lenité, from latin lenitas "mildness," from lenis "mild, gentle".

Examples:

1. The judge showed leniency towards the first-time offender.
2. The leniency of the punishment was criticized by many.
3. The prosecutor asked for leniency for the defendant.
4. The leniency of the sentence was unexpected.
5. The parole board granted leniency and reduced the sentence.