A more thorough explanation:

Term: promulgare
Definition: To make a law publicly known after it has been passed.
Examples: After the new law was passed, the government had to promulgate it so that everyone would know about it. The president promulgated the new tax law by announcing it on national television.
Explanation: Promulgare means to make a law known to the public after it has been passed. The examples show how the government or a leader can promulgate a law by announcing it or making it public so that everyone knows about it.