olemus
Wiktionary:
1. The action of intervening; interfering in some course of events.
2. (US, law) A legal motion through which a person or entity who has not been named as a party to a case seeks to have the court order that they be made a party.
3. An orchestrated attempt to convince somebody with an addiction or other psychological problem to seek professional help and/or change their behavior.
4. (medicine) An action taken or procedure performed; an operation.

näiteid
https://en.wikipedia.org/wiki/Intervention_(international_law)

https://en.wikipedia.org/wiki/Intervention_(law)

https://en.wikipedia.org/wiki/Interventionism_(politics)

https://en.wikipedia.org/wiki/Humanitarian_intervention

https://en.wikipedia.org/wiki/Psychological_intervention

https://en.wikipedia.org/wiki/Intervention_theory