| pioneering(verb, head, previous, influential, earlier) | |
| pivotal(adjective, feature, state, characteristic, important) | |
| potent(strong, important, powerful, outstanding, effective) | |
| powering(verb, influencing) | |
| precedent | |
| predating(verb, preceding) | |
| prejudicing(verb, influencing) | |
| prelude(noun, prelude) | |
| pressuring(verb, influencing) | |
| prevalent(adjective, top, superior, powerful, prime) | |
| radical(importance, important, significant, sophisticated, main) | |
| regnant(adjective, top, superior, powerful, main) | |
| remarkable(adjective, great, excellent, solid, important) | |
| respected(adjective, great, important, famous, outstanding) | |
| strong | |
| substantial | |
| swaying(verb, influencing) | |
| thriving(adjective, successful) | |
| trail-blazing(verb, preceding) | |
| unparalleled(adjective, bad, tough, top, perfect) |
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| APA | Smart Define. (2015). leading thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/leading/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "leading thesaurus" https://smartdefine.org/leading/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, leading thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/leading/thesaurus/synonyms>. |
| MLA | Smart Define. "leading thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/leading/thesaurus/synonyms> |