49 entries under functioning topic. ×

21
effective(adjective, strong, power, active, valid)
17
functional(adjective, active, useful, real, practical)
14
efficient(adjective, strong, direct, energetic, lively)
13
working(adjective, action, energetic, lively, active)
12
operational(adjective, active, practical, effective, running)
11
active(adjective, action, movement, direct, moving)
11
serviceable(adjective, direct, active, useful, valuable)
10
running(verb, adjective, action, active, awareness)
9
in force(expression, adjective, idiom, strong, power)
9
usable(adjective, free, friendly, appropriate, active)
8
alive(adjective, action, moving, active, animate)
7
accessible(adjective, ready, active, approachable, beneficial)
7
open(adjective, good, fit, friendly, appropriate)
7
practicable(adjective, free, friendly, appropriate, active)
6
employable(adjective, free, friendly, appropriate, active)
6
key(adjective, active, influential)
6
useful(adjective, direct, active, valuable, real)
5
dynamic(adjective, active, animate, living, running)
5
important(adjective, powerful, active, useful, running)
5
live(adjective, direct, energetic, lively, active)
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APASmart Define. (2015). operative thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/operative/thesaurus/synonyms
ChicagoSmart Define. 2015. "operative thesaurus" https://smartdefine.org/operative/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, operative thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/operative/thesaurus/synonyms>.
MLASmart Define. "operative thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/operative/thesaurus/synonyms>