intervention - definition, thesaurus and related words from WordNet-Online

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Noun intervention has 3 senses

intervention, intercession - the act of intervening (as to mediate a dispute)
--₁ is a kind of engagement, participation, involvement, involution
--₁ has particulars: mediation, intermediation
Derived form: verb intervene₁
intervention, interference - a policy of intervening in the affairs of other countries
--₂ is a kind of foreign policy
Antonyms: nonintervention, noninterference
intervention - (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"
--₃ is a kind of proceeding, legal proceeding, proceedings