80 entries under tough topic. ×

3
handy(adjective, smart, bright, intelligent)
3
potent(adjective, strong, direct, sound)
3
ready(adjective, right, appropriate, smart)
2
energetic(adjective, strong, direct, sound)
2
forceful(adjective, strong, direct, sound)
2
forcible(adjective, strong, direct, sound)
2
hardy(adjective, strong, sound, fit)
2
shrewd(adjective, smart, bright, intelligent)
1
athletic(adjective, strong, sound, fit)
1
big(adjective, strong, sound, solid)
1
decisive(effective, adept, effectual, well-organized)
1
durable(adjective, strong, sound, solid)
1
dynamic(strong, energetic, effective, prevailing)
1
economic(adjective, effective, adept, effectual)
1
economical(adjective, effective, adept, effectual)
1
enduring(adjective, calm, quiet, strong, sound)
1
firm(adjective, strong, sound, fit)
1
fixed(adjective, strong, sound, solid)
1
hale(adjective, strong, sound, fit)
1
hard as nails(expression, adjective, idiom, strong, sound)
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APASmart Define. (2015). capable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/capable/thesaurus/synonyms
ChicagoSmart Define. 2015. "capable thesaurus" https://smartdefine.org/capable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, capable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/capable/thesaurus/synonyms>.
MLASmart Define. "capable thesaurus" 23 September 2015. Web. 24 September 2026. <https://smartdefine.org/capable/thesaurus/synonyms>