155 entries under signal topic. ×

6
indicate(verb, move, sign, prompt, indicate)
6
indication(noun, sign, suggestion, evidence)
6
prompt(verb, sign, hint, suggestion, indicate)
6
swing(verb, shake, wave, hang)
5
call(noun, verb, sign, agreement, command)
5
gesticulate(verb, sign, indicate, indication)
4
acknowledgment(noun, understanding, agreement, welcome, contract)
4
affirmation(noun, agreement, authorization, proof)
4
affirmative(noun, permission, gesture)
4
clue(mark, light, sign, hint, suggestion)
4
flap(noun, verb, shake, alert, swing)
4
hint(light, sign, prompt, suggestion, indication)
4
shrug(noun, verb, action, sign, indicate)
3
act(noun, command, wave, gesture)
3
alert(noun, verb, sign, indicate, caution)
3
drift(noun, verb, fall, sign, twist)
3
gesticulation(noun, action, sign, indication)
3
go-ahead(noun, support, praise, sign, approval)
3
high sign(expression, action, mark, light, sign)
3
signalize(indicate, indication)
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APASmart Define. (2016). nod thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/nod/thesaurus/synonyms
ChicagoSmart Define. 2016. "nod thesaurus" https://smartdefine.org/nod/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, nod thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/nod/thesaurus/synonyms>.
MLASmart Define. "nod thesaurus" 30 March 2016. Web. 30 September 2026. <https://smartdefine.org/nod/thesaurus/synonyms>