regulate

The word “regulate” means to control something using rules, especially to make sure it works properly or fairly. In plain terms, to control or manage something using set rules so it stays within proper limits.

“Regulate” is pronounced REHG-yuh-layt (/ˈɹɛɡjəleɪ̯t/ in IPA).

Here is “regulate” used in a sentence: “The government regulates how banks can lend money.”

“Regulate” is a verb.

The word “regulate” comes from Latin. From Latin regulātus, past participle of regulō, "to direct, control," from regula ("rule").

“Regulate” is a fairly common word in modern English, usually learned at around the B2 level.

"Control" is broad and simply means to have power over something. "Regulate" is more specific: it means to control something using rules or to adjust it to a standard, usually so it works properly or fairly, as when governments regulate an industry.

To regulate is to control an activity with rules and oversight. To deregulate is the opposite: it means to remove or reduce those rules, giving an industry or market more freedom to operate without official control.

Yes. Besides governing with rules, "regulate" can mean to adjust a device or process so that it works correctly, such as to regulate the heating or to regulate blood sugar. Both uses share the idea of keeping something functioning properly.

Common objects include "regulate the economy," "regulate an industry," "regulate traffic," "regulate temperature," and "regulate blood sugar." In each case the word means bringing something under proper or fair control.