72 entries under prompt topic. ×

70
sign(noun, verb, move, action, act)
39
indicate(verb, move, mean, feeling, show)
29
predict(verb, order, feeling, declare, tell)
26
cue(noun, verb, mark, sign)
20
indication(noun, feeling, mark, light, note)
19
alert(noun, verb, order, sign, notice)
17
hint(noun, verb, expression, order, mean)
9
guide(noun, verb, order, information, sign)
9
threaten(verb, order, sign, tell, prepare)
8
notify(verb, order, tell, prepare)
6
caution(noun, verb, order, mark, light)
6
clue(noun, verb, order, information, mark)
6
suggest(verb, order, mean, show, direct)
5
suggestion(noun, expression, mark, light, note)
4
inkling(noun, sign, suggestion)
4
intimation(noun, action, sign, notice)
4
prod
4
summon(verb, order, sign, tell, prepare)
3
direct(verb, order, show, tell, twist)
3
key(noun, adjective, information, sign, influence)
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APASmart Define. (2016). signal thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/signal/thesaurus/synonyms
ChicagoSmart Define. 2016. "signal thesaurus" https://smartdefine.org/signal/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, signal thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/signal/thesaurus/synonyms>.
MLASmart Define. "signal thesaurus" 1 March 2016. Web. 29 September 2026. <https://smartdefine.org/signal/thesaurus/synonyms>