125 entries under indication topic. ×

1
bleep(noun, call, tone, authorization)
1
calumet
1
cresset
1
flagstaff
1
go-ahead(noun, order, command, authorization)
1
headlight
1
indicia(noun, expression, mark, sign, hint)
1
proof(noun, mark, light, note, sign)
1
telegraph
1
vestige(mark, light, sign, suggestion)
1
witness(noun, verb, make, mean, show)
0
affirmation(noun, mark, sign, permission)
0
assurance(mark, light, sign, evidence)
0
attestation(noun, expression, mark, sign, hint)
0
averment(noun, mark, sign)
0
blue light(expression, idiom)
0
cincher(noun, mark, sign)
0
clincher(noun, mark, sign)
0
confirmation(noun, mark, sign)
0
corroboration(noun, mark, sign)
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APASmart Define. (2016). signal thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/signal/thesaurus/synonyms
ChicagoSmart Define. 2016. "signal thesaurus" https://smartdefine.org/signal/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, signal thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/signal/thesaurus/synonyms>.
MLASmart Define. "signal thesaurus" 1 March 2016. Web. 27 September 2026. <https://smartdefine.org/signal/thesaurus/synonyms>