Synonyms to word to the wise

admonishment, admonition, advice, alarm, alerting, caution, caveat, clue, cue, deterrent example, example, final notice, final warning, hint, lesson, monition, moral, notice, notification, object lesson, office, passing word, piece of advice, pointer, sap, steer, threat, tip, tip-off, ultimatum, verb, verbum sap, verbum sapienti, warning, warning piece, whisper, word of advice