106 entries under basic topic. ×

7
crucial(adjective, important, significant, original, essential)
7
obligation(noun, right, want, need, essential)
6
desideratum(noun, right, want, need, essential)
6
important(adjective, significant, original, essential, critical)
6
precondition(noun, condition, need, essential, certainty)
5
binding(adjective, significant, essential, vital)
5
critical(adjective, important, essential, fundamental)
5
integral(adjective, important, significant, original, essential)
5
pressing(adjective, significant, essential, vital)
4
essence(condition, need, essential, requirement)
4
urgent(adjective, important, significant, essential, critical)
4
want(noun, verb, right, need, essential)
3
cardinal(adjective, important, significant, original, essential)
3
central(adjective, important, significant, original, essential)
3
chief(adjective, important, significant, capital, essential)
3
compulsion(noun, right, want, need, essential)
3
key(adjective, important, significant, original, essential)
3
paramount(adjective, important, significant, original, essential)
3
primary(adjective, important, significant, original, essential)
3
principal(adjective, important, significant, original, capital)
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APASmart Define. (2015). requisite thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/requisite/thesaurus/synonyms
ChicagoSmart Define. 2015. "requisite thesaurus" https://smartdefine.org/requisite/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, requisite thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/requisite/thesaurus/synonyms>.
MLASmart Define. "requisite thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/requisite/thesaurus/synonyms>