meaning of interventionof
1. The act of intervening; interposition.
2. Any interference that may affect the interests of others; especially, of one or more states with the affairs of another; mediation.
3. The act by which a third person, to protect his own interest, interposes and becomes a party to a suit pending between other parties.
4. 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"