Decretal: A word that describes something related to a decree.
A more thorough explanation:
Term: Decretal Definition: A decretal is a type of decree or official order. Examples: The Pope issued a decretal stating that priests cannot marry. The king's decretal ordered all citizens to pay taxes on time. Explanation: A decretal is a formal statement or order issued by a person in authority, such as a religious leader or a monarch. The examples show how a decretal can be used to establish rules or regulations that people must follow.