promulgator

WordReference Random House Learner's Dictionary of American English © 2025

prom•ul•gate /ˈprɑməlˌgeɪt, proʊˈmʌlgeɪt/   v. [~ + object] , -gat•ed, -gat•ing. 

1. to make known or put into effect (a law, statement of a court, etc.) by formally declaring:
   to promulgate a new law on taxes.
2. to proclaim; make known:
   to promulgate a belief.

prom•ul•ga•tion /ˌprɑməlˈgeɪʃən/  n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2025

prom•ul•gate  (prom′əl gāt′, prō mul′gāt), v.t., -gat•ed, -gat•ing. 

1. to make known by open declaration; publish;
   proclaim formally or put into operation (a law, decree of a court, etc.).
2. to set forth or teach publicly (a creed, doctrine, etc.).

• Latin prōmulgātus, past participle of prōmulgāre to promulge; see -ate¹
• 1520–30

prom•ul•ga•tion  (prom′əl gā′shən, prō′məl-), n.  prom′ul•ga′tor, n. 
Synonyms

• 1. announce, issue, declare.
• 2. advocate.