| notification(noun, sign, notice, alert, hint) |
| portent(noun, sign, notice, alert, hint) |
| prediction(noun, sign, notice, alert, hint) |
| presage(noun, sign, notice, alert, hint) |
| recommendation(noun, sign, notice, alert, hint) |
| suggestion(noun, sign, notice, alert, hint) |
| threat(noun, sign, notice, alert, hint) |
| tip(noun, information, sign, notice, alert) |
| tip-off(noun, sign, notice, alert, hint) |
| word(noun, sign, notice, alert, hint) |
| word to the wise(noun, expression, idiom, sign, notice) |
| caution(noun, sign, notice, alert, signal) |
| counsel(notice, caution, caveat) |
| cry for help |
| forewarning(noun, sign, notice, alert, caution) |
| hint(noun, information, sign, notice, alert) |
| in formation(noun, expression, signal, alarm, tipoff) |
| notice(caution, caveat) |
| sign(noun, notice, alert, caution, signal) |
| signal(noun, sign, notice, alert, caution) |