- Definitions|2
- Thesaurus|876
- Abbreviations|0
32 entries under good topic. ×
| powerful(adjective, strong, power, sound) | |
| efficient(adjective, power, sound, right) | |
| potent(adjective, strong, tough, powerful) | |
| weighty(adjective, strong, sound, right) | |
| authoritative(adjective, strong, sound, right) | |
| substantial(adjective, strong, sound, right) | |
| logical(sound, right, reasonable, rational) | |
| just(adjective, sound, right, reasonable) | |
| legal(sound, right, reasonable, rational) | |
| right(adjective, sound, reasonable, happy) | |
| trustworthy(sound, right, reasonable, rational) | |
| attested(sound, right, reasonable, rational) | |
| authentic(sound, right, reasonable, rational) | |
| bona fide(expression, sound, right, reasonable) | |
| confirmed(sound, right, reasonable, rational) | |
| credible(sound, right, reasonable, rational) | |
| genuine(sound, right, reasonable, rational) | |
| kosher(sound, right, reasonable, rational) | |
| lawful(sound, right, reasonable, rational) | |
| legit(sound, right, reasonable, rational) |
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| APA | Smart Define. (2015). efficacious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/efficacious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "efficacious thesaurus" https://smartdefine.org/efficacious/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, efficacious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/efficacious/thesaurus/synonyms>. |
| MLA | Smart Define. "efficacious thesaurus" 13 October 2015. Web. 22 September 2026. <https://smartdefine.org/efficacious/thesaurus/synonyms> |