19
working(noun, verb, adjective, action, way)
14
operating(noun, verb, adjective, action, awareness)
14
operative(adjective, action, active, awareness, effective)
10
active(adjective, action, movement, moving, awareness)
10
operation(noun, activity, action, force, way)
10
performance(noun, organization, action, charge, struggle)
9
alive(adjective, action, active, awareness, effective)
9
functional(adjective, practical, running, working, operative)
9
going(noun, adjective, activity, action, movement)
9
operational(adjective, active, practical, effective, running)
9
performing(noun, verb, adjective, performance, doing)
8
acting(verb, adjective, working, acting)
8
effective(adjective, moving, active, running, alive)
8
running(noun, adjective, action, active, awareness)
6
extant(active, animate, living, conscious, operative)
6
in operation(expression, adjective, idiom, active, running)
6
practicing(verb, adjective, acting, applying)
6
work(noun, verb, effort, labor, exertion)
5
action(noun, activity, performance, movement, force)
5
in force(expression, adjective, idiom, active, effective)
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APASmart Define. (2015). functioning thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/functioning/thesaurus/synonyms
ChicagoSmart Define. 2015. "functioning thesaurus" https://smartdefine.org/functioning/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, functioning thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/functioning/thesaurus/synonyms>.
MLASmart Define. "functioning thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/functioning/thesaurus/synonyms>