Edict
Part of speech: noun
Definition: a proclamation of law or other authoritative command
Decree
Part of speech: verb
Definition: To command by a decree.
Part of speech: noun
Definition: An edict or law.The judicial decision in a litigated cause rendered by a court of equity.The determination of a cause in a court of admiralty, or a court of probate.
Example sentence: If there's another 9/11 or a major war in the Middle-East involving a U.S. attack on Iran, I have no doubt that there will be, the day after or within days an equivalent of a Reichstag fire decree that will involve massive detentions in this country.