What is another word for rule?

There are many words that can be used as synonyms for "rule," depending on the context. Here are a few examples:

General:

* Regulation

* Law

* Principle

* Guideline

* Standard

* Precept

* Decree

* Ordinance

Specific:

* For government: Statute, act, legislation, edict

* For sports: Regulation, code, bylaw

* For grammar: Grammar rule, syntax, convention

* For behavior: Etiquette, custom, protocol, decorum

Informal:

* Command

* Order

* Directive

* Instruction

* Policy

The best synonym to use will depend on the specific situation and the tone you want to convey.