| cry(alert, caution, signal, warning, whistle) |
| cue(sign, signal, alarm, wave, gesture) |
| curtsy(action, sign, signal, wave, motion) |
| danger signal(expression, warning, bell, siren) |
| detection(noun, understanding, respect, credit, acknowledgment) |
| discovery(noun, understanding, respect, credit, acknowledgment) |
| distress signal(expression, warning, bell, siren) |
| divination(mark, light, sign, indication, evidence) |
| double take(noun, expression, understanding, respect, credit) |
| drum(alert, cry, caution, signal, warning) |
| esteem(noun, respect, credit, acknowledgment, thanks) |
| evidence(mark, light, sign, indication) |
| expression(action, sign, wave, signal, motion) |
| foreboding(mark, light, sign) |
| foreknowledge(mark, light, sign, indication, evidence) |
| foretoken(mark, light, sign, indication, evidence) |
| genuflection(action, sign, signal, wave, motion) |
| giveaway(mark, light, sign, indication, evidence) |
| gong(alert, cry, caution, signal, warning) |
| gratitude(noun, respect, credit, acknowledgment, thanks) |