| forewarn(verb, alert, advise, caution, warn) |
| admonish(verb, alert, advise, caution, warn) |
| advise(verb, alert, caution, warn, admonish) |
| alert(verb, advise, caution, warn, admonish) |
| caution(verb, alert, advise, warn) |
| exhort(verb, alert, advise, warn) |
| flag(verb, alert, advise, caution, warn) |
| give the high sign(verb, expression, idiom, alert, advise) |
| give the lowdown on(verb, expression, idiom, alert, advise) |
| tip(verb, alert, advise, caution, warn) |
| tip off(verb, expression, alert, advise, warn) |
| urge(verb, alert, advise, warn) |
| wave a red flag(verb, expression, idiom, alert, advise) |
| wise one up(verb, expression, idiom, alert, advise) |
| give notice(verb, expression, alert, warn) |
| notify(verb, alert, warn) |
| signal(verb, alert, warn) |
| warn(verb, alert, advise, caution) |
| wise up(expression, flag) |