collective security(n = noun.state) - a system for international peace;
is a kind of peace

agency security, bureau of diplomatic security, canadian security intelligence service, collective, collective agreement, collective bargaining, collective farm, collective noun, committee for state security, communications security establishment, convertible security, federal security bureau, federal security service, general security services, government security, homeland security, international relations and security network, letter security, listed security, mortgage-backed security, national security agency, national security council, office of homeland security, otc security, over the counter security, private security force, public security, registered security, security, security blanket, security consultant, security council, security department, security deposit, security director, security force, security guard, security intelligence, security intelligence review committee, security interest, security measure, security measures, security review, security service, security staff, security system, social security, social security administration, social security number, tax-exempt security, transportation security administration, unlisted security, zero coupon security, zero-coupon security