ETYM French avertisement, formerly also spelled advertissement, a warning, giving notice, from avertir.
1. A public notice, especially a paid notice in some public medium (television, newspaper, etc.); anything that advertises.
2. The act of informing or notifying; notification.
3. Admonition; advice; warning.

1. A formal public statement; SYN. proclamation, annunciation, promulgation.
2. A statement about something that is happening or going to happen.