intervention

/ˌɪntərˈvɛnʃən/
noun
  1. The act of becoming involved in a situation to change or improve it, especially to prevent something bad.
    • The teacher's quick intervention stopped the fight from getting worse.
    • The government's intervention helped stabilize the economy.
    • Without medical intervention, the patient might not have survived.
  2. A planned meeting where family and friends confront a person about a harmful behavior, such as addiction, to encourage them to seek help.
    • They hired a counselor to help with the intervention.
    • Her family organized an intervention to talk to her about her drinking.
    • The intervention was successful, and he agreed to go to rehab.
  3. Military or political action taken by one country in the affairs of another.
    • Many people debated the need for military intervention in the region.
    • The international intervention aimed to stop the civil war.
    • The UN approved a humanitarian intervention to deliver food and medicine.