League mandate is a term often used to describe a requirement or directive from an organization or governing body. Some synonyms for league mandate include legal requirement, regulation, edict, decree, directive, order, command, ruling, or mandate. Each of these terms suggests a level of authority and obligation that must be observed or followed by individuals or groups within the league setting. Depending on the context, other similar words may include mandate, statute, rule, or bylaw. Overall, these synonyms reflect the importance of compliance with established guidelines and expectations within a league or organization.