| indication(noun, sign, notice, prompt, alert) |
| key(noun, information, sign, influence, prompt) |
| knowledge(noun, information, report, prompt, hint) |
| notice(noun, information, knowledge, taste, sign) |
| prediction(noun, sign, notice, prompt, alert) |
| spill |
| telltale(noun, support, help, charge, information) |
| trace(noun, taste, sign, idea, hint) |
| ultimatum(noun, alert, warning) |
| admonition(noun, help, information, aid, sign) |
| alarm(information, sign, notice, alert, caution) |
| bang(noun, informal, prompt, hint, tip) |
| brief |
| bug(noun, informal, prompt, hint, tip) |
| buzz(noun, informal, prompt, hint, tip) |
| catchword(sign, prompt, hint, suggestion, signal) |
| disclosure(noun, information, knowledge, report, news) |
| dope(noun, informal, prompt, hint, tip) |
| guide(noun, information, influence, instructions, benchmark) |
| lesson(information, sign, notice, alert, hint) |