Lenient (adjective)

1. Inclined to be lenient, merciful, or forgiving.
2. Not strict or severe; mild.

Origin:

Early 15c., from old french lenient, from latin lenientem (nominative leniens) "soothing," present participle of lenire "to soothe".

Examples:

1. The judge was lenient in her sentencing of the defendant.
2. The lenient punishment was criticized by many.
3. The coach was lenient with the player and let him play the next game.
4. The parents were lenient with their children and didn't discipline them much.
5. The lenient policy on absences caused many students to miss class.