* Laws and regulations: A government might promulgate a new law.
* Ideas and beliefs: A leader might promulgate their vision for the future.
* Information: A company might promulgate a new policy.
Here are some synonyms for "promulgate":
* Publish
* Declare
* Disseminate
* Proclaim
* Broadcast
* Announce
Examples:
* "The government will promulgate the new tax laws next week."
* "The leader tried to promulgate a message of hope and unity."
* "The company has promulgated a new dress code for employees."
Let me know if you'd like more examples or want to explore the word in more depth!