77 entries under good topic. ×

43
effective(adjective, strong, power, tough)
29
able(adjective, power, direct, active)
27
competent(adjective, power, direct, skill)
22
efficacious(adjective, power, sound, right)
9
powerful(adjective, strong, power, direct)
8
accomplished(adjective, keen, smart, suitable)
6
virtuous(adjective, innocent, worthy, effective)
5
potent(adjective, strong, direct, sound)
4
regular(adjective, excellent, exact, ordinary)
4
strong(adjective, sound, tough, right)
2
persuasive(adjective, strong, direct, sound)
2
worthy(honest, noble, competent, capable)
1
authoritative(sound, right, reasonable, rational)
1
blameless(excellent, honest, noble, regular)
1
celibate(excellent, honest, noble, regular)
1
clean-living(excellent, honest, noble, regular)
1
ethical innocent(expression, excellent, honest, noble)
1
excellent(honest, noble, worthy, wholesome)
1
exemplary(excellent, honest, noble, regular)
1
faithful(honest, noble, worthy, righteous)
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APASmart Define. (2015). efficient thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/efficient/thesaurus/synonyms
ChicagoSmart Define. 2015. "efficient thesaurus" https://smartdefine.org/efficient/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, efficient thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/efficient/thesaurus/synonyms>.
MLASmart Define. "efficient thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/efficient/thesaurus/synonyms>