reg·u·late 
/ˈrɛgjəˌleɪt/ verb
reg·u·lates; reg·u·lat·ed; reg·u·lat·ing /ˈrɛgjəˌleɪt/ verb [+ obj] 1 : to set or adjust the amount, degree, or rate of (something) : control
▪ The dam regulates the flow of water into the river. ▪ The thermostat regulates the room's temperature. = The room's temperature is regulated by the thermostat. 2 a : to bring (something) under the control of authority
▪ We need better laws to regulate the content of the Internet. ▪ Laws have been made to regulate working conditions.
b : to make rules or laws that control (something)
▪ The government regulates how much lead may be found in our water supply. ▪ The department regulates foreign trade.
▪ The dam regulates the flow of water into the river. ▪ The thermostat regulates the room's temperature. = The room's temperature is regulated by the thermostat.
▪ We need better laws to regulate the content of the Internet. ▪ Laws have been made to regulate working conditions.
b : to make rules or laws that control (something)
▪ The government regulates how much lead may be found in our water supply. ▪ The department regulates foreign trade.
