70 entries under capable topic. ×

43
effective(adjective, good, strong, power, tough)
29
able(adjective, good, power, direct, active)
27
competent(adjective, good, power, direct, skill)
14
expert(adjective, keen, smart, suitable, careful)
12
apt(adjective, precise, expert, skilled, competent)
9
powerful(adjective, good, strong, power, direct)
8
accomplished(adjective, good, keen, smart, suitable)
7
deft(adjective, keen, smart, intelligent, competent)
7
suitable(adjective, useful, decent, knowledgeable, adequate)
5
adroit(adjective, keen, smart, intelligent, expert)
5
fit(adjective, suitable, decent, knowledgeable, adequate)
5
fitted(adjective, skill, suitable, skilled, competent)
5
practiced(adjective, keen, smart, skill, suitable)
4
dexterous(adjective, keen, sharp, smart, intelligent)
4
easy(adjective, competent, proficient, facile)
4
masterful(adjective, keen, smart, intelligent, competent)
4
ready(adjective, prompt, precise, quick, competent)
4
strong(adjective, good, sound, tough, right)
3
adapted(adjective, decent, adequate, skilled, qualified)
3
brilliant(keen, smart, intelligent, competent)
11 years ago|19k views|share |citing 
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>