regime

noun6

1. •
   Mode of rule or management.
2. •
   A form of government, or the government in power, particularly an authoritarian or totalitarian one.

   • Heaven will eliminate the tyrannical regimes.
3. •
   A regulated system; a regimen.

   • For three weeks Lorde engages in a regime of rest, relaxation, eurhythmy, and active meditation. — 1988
4. •
   A period of rule.
5. •
   A set of characteristics.

   • A typical annual water level regime would include a gradual summer drawdown beginning in early May.
6. •
   A division of a Mafia crime family, led by a caporegime.