31 synonyms for intervention such as advocacy, action, and adjustment. Intervention is a noun, and its antonyms are withdrawal and noninterference.
Action, Adjustment, Advocacy, Aid, Arbitration, Assistance, Collaboration, Consultation, Coordination, Engagement, Facilitation, Influence, Influence, Interceding, Intercession, Interference, Interposition, Interruption, Intervening, Intrusion, Involvement, Mediation, Mitigation, Negotiation, Oversight, Proactive measure, Reconciliation, Remedy, Support, and Supportive action.