Institution, ordinance, statute, law.

Commandment.

In generalized sense. In more comprehensive sense: Rules or injunctions that must be obeyed. to give (the) law (to): to exercise undisputed sway…

An authoritative order or injunction; a precept given by authority. (archaic.)

Advice, counsel; instruction, command, order.

An order to do a particular act; a specific command. Obsolete.

gen. An authoritative rule or direction. Also figurative.

A command, a precept. Obsolete.

An established custom; a set of rules, an injunction; a general prescription.