verb
forewarn, caution, give notice, put on guard, give (fair) warning, signal, advise, alert, inform, apprise, notify, remind, forearm, prepare for the worst, offer a word of caution, admonish, counsel, exhort, enjoin, reprove, threaten, forbid, predict, prepare, remonstrate, urge, recommend, suggest, hint, put on one's guard, put on the alert, sound the alarm, give the alarm, put wise, make red lights flash*, start bells ringing*, cry wolf*, tip off*, give the high sign*, put a bug in one's ear*, cry havoc*, read the riot act*. See syn. study at advise.advise.
