80 entries under tough topic. ×

38
competent(adjective, qualified, able, ability, wise)
36
able(adjective, skillful, ability, smart)
26
skilled(adjective, skillful, ability, smart, skill)
23
qualified(adjective, good, great, correct)
21
expert(adjective, skillful, qualified, smart, intelligent)
19
apt(adjective, able, ability, smart, bright)
14
experienced(adjective, knowledge, keen, smart)
13
fit(adjective, good, strong, correct)
12
effective(adjective, power, keen, smart)
12
adequate(adjective, power, direct, right)
10
skillful(adjective, good, great, knowledge)
9
fitted(adjective, right, appropriate, skill)
8
efficacious(adjective, strong, power, energetic)
8
strong(adjective, good, great, sound)
7
productive(adjective, power, direct, energetic)
6
powerful(adjective, good, strong, power, great)
4
useful(adjective, good, correct, appropriate)
3
able-bodied(adjective, strong, sound, fit)
3
active(adjective, strong, direct, sound)
3
adapted(adjective, right, appropriate, energetic)
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APASmart Define. (2015). capable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/capable/thesaurus/synonyms
ChicagoSmart Define. 2015. "capable thesaurus" https://smartdefine.org/capable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, capable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/capable/thesaurus/synonyms>.
MLASmart Define. "capable thesaurus" 23 September 2015. Web. 23 September 2026. <https://smartdefine.org/capable/thesaurus/synonyms>