Lenient is an adjective that refers to a person or system that is permissive or inclined toward tolerance of others' behavior. Some common synonyms for lenient include forbearing, indulgent, patient, understanding, and easygoing. Other synonyms for lenient include relaxed, liberal, accommodating, forgiving, and merciful. Antonyms for lenient include strict, rigid, severe, and inflexible. Different contexts may call for different synonyms of lenient, depending on how precisely one wishes to convey its meaning. Nevertheless, all synonyms for lenient share the common thread of softness or flexibility, implying a willingness to forgive or overlook others' mistakes or faults.