70 entries under essential topic. ×

8
fundamental(noun, adjective, condition, need)
8
precondition(noun, condition, need, essence)
8
qualification(noun, concern, condition, requirement)
6
needfulness(noun, fix, pass, distress, need)
6
occasion(noun, order, help, understanding, cause)
6
provision(noun, concern, condition, requirement)
5
cause(noun, help, understanding, start, right)
5
indispensability(noun, need, requirement, prerequisite)
5
postulate(condition, requirement, qualification, prerequisite)
5
proviso(noun, concern, condition, requirement)
5
vital part(noun, expression, condition, need)
4
duress(noun, force, fix, pass, distress)
4
claim(noun, order, interest, use, call)
4
essentiality(noun, requirement, quintessence, prerequisite)
4
stipulation(noun, order, concern, interest, use)
3
basic(noun, condition, want, heart)
3
essence(noun, condition, need, basic)
3
use(noun, order, interest, practice, call)
2
basis(noun, cause, reason, heart)
2
exaction(noun, order, interest, use, call)
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APASmart Define. (2016). necessity thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/necessity/thesaurus/synonyms
ChicagoSmart Define. 2016. "necessity thesaurus" https://smartdefine.org/necessity/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, necessity thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/necessity/thesaurus/synonyms>.
MLASmart Define. "necessity thesaurus" 1 April 2016. Web. 24 September 2026. <https://smartdefine.org/necessity/thesaurus/synonyms>