Synonyms for forewarn

What when they send portents to forewarn the states of Hellas?

I left her a short distance from the camp that I might go and forewarn Eric.

I forewarn you that people are not in the habit of fighting duels here.

I now forewarn you that it may hereafter become the seat of war, when you will have your day.

I forewarn you that I become incensed when I am made a subject of ridicule.

It isnt like him to forewarn a man, even when hes sure he cant escape.

In the fifth place, I advise and forewarn these men as their personal friend.

Also I had learned her identity, and it now remained for me to forewarn her of what was intended.

What has your guardian spirit been about, not to forewarn you?

Unhappily the hat does not forewarn: it is simply indicative.