6
maiden(adjective, start, opening, original, first)
6
mainstream(adjective, characteristic, quality, standard, prevailing)
6
nascent(adjective, pure, original, first, early)
6
opening(adjective, head, beginning, original, basic)
6
pioneer(adjective, start, head, beginning, original)
6
prevailing(adjective, good, outstanding, better, prominent)
6
seminal(adjective, cause, generative)
6
sovereign(adjective, excellent, outstanding, head, prominent)
5
best(adjective, excellent, lead, superior, unusual)
5
election(noun, precedence, poll, choosing, vote)
5
flagship(adjective, lead, head, master, boss)
5
formative(adjective, pure)
5
great(adjective, important, significant, vital, imperative)
5
inaugural(adjective, order, heavy, important, head)
5
momentous(adjective, superior, big, unusual, important)
5
most important
5
number one(expression, adjective, order, lead, heavy)
5
overruling(adjective, importance, serious, essential, basic)
5
plain(adjective, simple, pure, straightforward, basic)
5
preeminent(adjective, order, top, excellent, superior)
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APASmart Define. (2016). primary thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/primary/thesaurus/synonyms
ChicagoSmart Define. 2016. "primary thesaurus" https://smartdefine.org/primary/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, primary thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/primary/thesaurus/synonyms>.
MLASmart Define. "primary thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/primary/thesaurus/synonyms>