/
ˈprɒm(ə)lgeɪt/
v.
 promote or make widely known. 
▸put (a law or decree) into effect by official proclamation.
Derivative
- promulgation n.
  - promulgator n.
 
Etymology
C16 (earlier (C15) as promulgation): from L. promulgat-, promulgare, from pro- ‘out, publicly’ + mulgere ‘cause to come forth’ (lit. ‘to milk’).