| prompt(noun, verb, drop, act, information) |
| hint(noun, verb, concept, act, help) |
| signal(noun, verb, mark, sign, prompt) |
| clue(noun, concept, support, act, order) |
| suggestion(noun, concept, act, understanding, information) |
| indication(noun, concept, act, understanding, information) |
| sign(noun, support, act, order, communication) |
| gesture(noun, verb, information, sign, indicate) |
| tip(noun, verb, order, give, communication) |
| intimation(noun, concept, act, order, communication) |
| wink(noun, verb, drop, sign, hint) |
| key(noun, act, sign, report, prompt) |
| caution(noun, verb, order, give, communication) |
| nod(noun, verb, act, sign, prompt) |
| pointer(noun, sign, point, prompt, hint) |
| remind(verb, drop, help, cause, encourage) |
| reminder(noun, act, sign, prompt, hint) |
| inkling(noun, concept, act, information, sign) |
| mark(noun, verb, information, sign, report) |
| motion(noun, verb, indicate, indication, signal) |