35 entries under natural topic. ×

3
unpaid(adjective, feature, characteristic, free, deliberate)
3
volitional(adjective, feature, characteristic, free, deliberate)
3
volunteer(adjective, feature, characteristic, free, deliberate)
3
willed(verb, adjective, feature, characteristic, free)
2
wished(verb, adjective, free, deliberate)
1
effortless(spontaneous, voluntary)
1
optional(adjective, free, deliberate, willing)
1
unbidden(adjective, free, deliberate, willing)
1
uncompelled(adjective, free, deliberate, willing)
1
unprescribed(adjective, free, deliberate, willing)
1
willful(adjective, free, deliberate, willing)
1
witting(adjective, free, deliberate, willing)
0
artless(spontaneous, voluntary)
0
unprompted(spontaneous, voluntary)
0
unwitting(spontaneous, voluntary)
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APASmart Define. (2015). elected thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/elected/thesaurus/synonyms
ChicagoSmart Define. 2015. "elected thesaurus" https://smartdefine.org/elected/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, elected thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/elected/thesaurus/synonyms>.
MLASmart Define. "elected thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/elected/thesaurus/synonyms>