Synonyms and related words :
acquaint, admonish, advertise, advertise of, advise, alert, announce, apprise, brief, bring word, caution, communicate, cry havoc, declare, disclose, enlighten, familiarize, forerun, give fair warning, give notice, give the facts, give warning, give word, harbinger, herald, hint, inform, instruct, intimate, issue an ultimatum, leave word, let know, mention to, preannounce, proclaim, publish, report, run before, send word, serve notice, sound the alarm, speak, tell, threaten, tip, tip off, utter a caveat, verse, warn, warn against