The phrase "level of economic security guaranteed by government" can be expressed using a variety of synonyms, including "social safety net," "welfare provisions," "financial assistance programs," "public support systems," and "governmental aid measures." Each of these terms represents the idea of government-supported programs designed to help citizens meet basic needs and provide a sense of security in times of economic hardship. Such measures can include unemployment benefits, housing assistance, healthcare subsidies, and food stamps, among others. Ultimately, these synonyms emphasize the vital role that government intervention can play in ensuring economic stability and security for vulnerable populations.