The term 'make widely known' can be summarized by three crossword solutions: SPREAD (6 letters), PROMULGATE (10 letters), and AIR (3 letters). SPREAD means to distribute or disperse something, such as an idea or news. PROMULGATE is a formal way of saying to make something public, usually through official channels. AIR is to broadcast something, such as a message or opinion, to a wide audience. All three words imply that the goal is to make something widely known.