Word Network: strict

An official instruction or principle that tells you what is allowed and what is not allowed in a specific situation, game, or organization. Rules help maintain order and ensure that everyone behaves in a fair or expected way.

A standard is a level of quality or achievement that is considered acceptable or used as a measure for comparison. It can also refer to an official rule or requirement that people must follow.

The adjective form 'disciplined' describes a person or behavior that shows a controlled and organized way of working or living. It implies the ability to follow rules or a specific code of conduct without needing external supervision.