- the act of mitigating, or lessening the force or intensity of something unpleasant, as wrath, pain, grief, or extreme circumstances: Social support is the most important factor in the mitigation of stress among adolescents.
- the act of making a condition or consequence less severe: the mitigation of a punishment.
- the process of becoming milder, gentler, or less severe.
- a mitigating circumstance, event, or consequence.
n.mid-14c., from Latin mitigationem (nominative mitigatio), noun of action from past participle stem of mitigare (see mitigate).