112 entries under spontaneous topic. ×
| intended | |
| intentional | |
| off your own bat(expression, idiom, willing, unforced) | |
| opted | |
| optional | |
| unasked | |
| volitional | |
| volunteer | |
| willed | |
| willful | |
| wished | |
| witting |
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| APA | Smart Define. (2016). natural thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/natural/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "natural thesaurus" https://smartdefine.org/natural/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2016, natural thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/natural/thesaurus/synonyms>. |
| MLA | Smart Define. "natural thesaurus" 15 February 2016. Web. 30 September 2026. <https://smartdefine.org/natural/thesaurus/synonyms> |