regime

A government, especially an oppressive or undemocratic one.

A usually heavy-handed administration or group in charge of an organization.

A way of organizing or managing something; a system.

A regulated system of diet, exercise, or medical treatment; a regimen.

The period during which a particular administration or system prevails.

A prevailing pattern of water flow, as of a river.

Mode of rule or management

A form of government, or the government in power (as in a socialist regime)