intervention Meaning, Definition & Usage

  1. noun the act of intervening (as to mediate a dispute, etc.)
    intercession.
    • it occurs without human intervention
  2. noun a policy of intervening in the affairs of other countries
    interference.
  3. noun the act or fact of interposing one thing between or among others
    interposition.
  4. noun (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
  5. noun care provided to improve a situation (especially medical procedures or applications that are intended to relieve illness or injury)
    treatment.

WordNet

In`ter*ven"tion noun
Etymology
L. interventio an interposition: cf. F. intervention.
Definitions
  1. The act of intervening; interposition.
    Sound is shut out by the intervention of that lax membrane. Holder.
  2. Any interference that may affect the interests of others; especially, of one or more states with the affairs of another; mediation.
    Let us decide our quarrels at home, without the intervention, of any foreign power. Sir W. Temple.
  3. (Civil Law) The act by which a third person, to protect his own interest, interposes and becomes a party to a suit pending between other parties.

Webster 1913