Regulate/ˈreɡjuleɪt/ Definition 1 of 4Pro Tip 1/3Regulatory Authority Explains how 'regulate' often refers to actions of governments or organizations. Only the FDA can regulate the pharmaceuticals market. Pro Tip 2/3Rule Creation Highlights 'regulate' involves making new rules, not just enforcing existing ones. The board will regulate membership requirements next month. Pro Tip 3/3Protection Motive Emphasizes that regulation often aims to safeguard interests or welfare. They regulate fishing to protect the marine ecosystem.