1. The act of intervening (as to mediate a dispute, etc.)
   "it occurs without human intervention";
   - intercession
    
2. The act or fact of interposing one thing between or among others
   "The diplomat's intervention in the negotiations helped prevent a breakdown in talks";
   - interposition
    
3. A policy of intervening in the affairs of other countries
   "The superpower's military intervention in the region was highly controversial";
   - interference
    
4. Care provided to improve a situation (especially medical procedures or applications that are intended to relieve illness or injury)
   "Early intervention is crucial for children with developmental delays";
   - treatment
    
5. (law) a proceeding that permits a person to enter into a lawsuit already in progress; admission of person not an original party to the suit so that person can protect some right or interest that is allegedly affected by the proceedings
   "the purpose of intervention is to prevent unnecessary duplication of lawsuits"

Derived forms: interventions

Type of: aid, attention, care, emplacement, engagement, foreign policy, involvement, legal proceeding, location, participation, placement, position, positioning, proceeding, proceedings, tending

Antonym: nonintervention

Encyclopedia: Intervention