Definition of intervention
: the act or an instance of intervening the intervention of divine providence : such as
a : the act of interfering with the outcome or course especially of a condition or process (as to prevent harm or improve functioning) educational intervention surgical interventions Some women fear a specific intervention, such as being induced, having an emergency cesarean section or going through a forceps delivery.— Paula Spencer
b : the interference of a country in the affairs of another country for the purpose of compelling it to do or forbear doing certain acts … obscures Eisenhower's decisive personal role in converting the CIA from an intelligence agency into an instrument for American intervention around the world.— Arthur M. Schlesinger, Jr.
c : an occurrence in which a person with a problem (such as a drug addiction) is confronted by a group (as of friends or family members) whose purpose is to compel the person to acknowledge and deal with the problem stage/mount an intervention Coaching colleagues and former players pleaded with him to reengage with the game, to no avail, until 1989, when a number of them prepared to stage an intervention.— Alexander Wolff
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