reg ‧ u ‧ la ‧ to ‧ ry AC /ˌreɡjəˈleɪt ə ri, ˌreɡjʊˈleɪt ə ri $ ˈreɡjələtɔːri/ BrE AmE adjective formal
[ Word Family: noun : ↑ regulation , ↑ regulator ; verb : ↑ regulate ; adjective : ↑ regulatory ]
a regulatory authority has the official power to control an activity and to make sure that it is done in a satisfactory way
regulatory body/authority/agency
New drugs have been approved by the regulatory authority.