89 entries under adjective topic. ×

19
optional(open, chance, choice, freedom)
12
discretional(open, free, will, voluntary)
11
elective(open, free, fit, choice)
8
arbitrary(open, free, chance, opinion)
8
facultative(open, free, choice, voluntary)
8
voluntary(open, free, will, elective)
7
eligible(fit, worthy)
6
nonmandatory
6
unrestricted(open, free, freedom, voluntary)
5
open(open, free, extra, responsive)
4
absolute
4
flexible(responsive, variable, adaptable)
4
free(open, will, voluntary, elective)
4
nonobligatory(open, free, voluntary, elective)
4
unforced(open, free, voluntary, elective)
3
spontaneous
3
uncoerced
2
alternative(open, free, voluntary, elective)
2
arrogant
2
capricious
11 years ago|5.1k views|share |citing 
APASmart Define. (2015). discretionary thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/discretionary/thesaurus/synonyms
ChicagoSmart Define. 2015. "discretionary thesaurus" https://smartdefine.org/discretionary/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, discretionary thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/discretionary/thesaurus/synonyms>.
MLASmart Define. "discretionary thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/discretionary/thesaurus/synonyms>