intervention

noun
UK /ˌɪntəˈvenʃn/
US /ˌɪntərˈvenʃn/

When someone steps in to help fix a problem.

The teacher's intervention stopped the kids from arguing.


OTHER MEANINGS

2. A planned meeting where people try to help someone with a serious problem like addiction.

His family held an intervention to help him stop drinking.

3. A government or military action taken to change a situation in another country.

The country sent troops as part of a military intervention.

4. A treatment or procedure used to improve someone's health.

The doctor recommended a medical intervention to lower her blood pressure.