7
impressive(adjective, importance, valuable, main, notable)
7
indicative(adjective, hidden, indirect, redolent, latent)
7
influential(adjective, importance, valuable, main, notable)
7
key(adjective, importance, valuable, main, notable)
7
key-note(adjective, importance, valuable, main, notable)
7
material(adjective, importance, valuable, main, notable)
7
momentous(adjective, importance, valuable, main, notable)
7
newsworthy(adjective, importance, valuable, main, notable)
7
outstanding(adjective, importance, valuable, main, notable)
7
portentous(adjective, importance, valuable, main, notable)
7
purposeful(adjective, importance, valuable, main, notable)
7
remarkable(adjective, importance, valuable, main, notable)
7
responsible(adjective, importance, valuable, main, notable)
7
serious(adjective, importance, valuable, main, notable)
7
solemn(adjective, importance, valuable, main, notable)
7
suggestive(adjective, redolent, evocative, signifying, metaphoric)
7
vital(adjective, importance, valuable, main, notable)
7
weighty(adjective, importance, valuable, main, notable)
5
indicatory
5
significant(adjective, importance, valuable, main, notable)
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APASmart Define. (2015). significative thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/significative/thesaurus/synonyms
ChicagoSmart Define. 2015. "significative thesaurus" https://smartdefine.org/significative/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, significative thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/significative/thesaurus/synonyms>.
MLASmart Define. "significative thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/significative/thesaurus/synonyms>