16
momentous(adjective, bad, great, excellent, extraordinary)
13
important(adjective, bad, great, excellent, extraordinary)
13
memorable(adjective, importance, important, lively, wonderful)
12
consequential(adjective, important, lively, significant, exciting)
10
busy(adjective, keen, intense, energetic, lively)
10
notable(adjective, great, extraordinary, importance, important)
9
lively(adjective, keen, intense, energetic, vigorous)
8
active(adjective, activity, keen, energetic, lively)
8
noteworthy(adjective, great, extraordinary, important, lively)
7
signal(adjective, great, extraordinary, importance, important)
7
significant(adjective, important, lively, outstanding, prominent)
6
exciting(adjective, lively, significant, busy)
6
stirring(activity, importance, eventuality)
5
full(adjective, significant, busy)
5
historic(adjective, great, important, lively, significant)
5
outstanding(adjective, great, excellent, superior, important)
5
remarkable(adjective, great, importance, lively, wonderful)
5
weighty(adjective, importance, important, significant, historic)
4
bustling(adjective, eventuality)
4
crucial(adjective, great, important, lively, significant)
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APASmart Define. (2015). eventful thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/eventful/thesaurus/synonyms
ChicagoSmart Define. 2015. "eventful thesaurus" https://smartdefine.org/eventful/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, eventful thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/eventful/thesaurus/synonyms>.
MLASmart Define. "eventful thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/eventful/thesaurus/synonyms>