143 entries under essential topic. ×

8
basic(noun, adjective, important, want, significant)
8
stipulation(noun, condition, requirement, qualification)
7
crucial(adjective, important, significant, original)
7
obligation(noun, right, want, need)
6
desideratum(noun, right, want, need)
6
important(adjective, significant, original, critical)
6
precondition(noun, condition, need, certainty)
6
provision(noun, condition, requirement, qualification)
5
binding(adjective, significant, basic, vital)
5
critical(adjective, important, basic, fundamental)
5
integral(adjective, important, significant, original)
5
pressing(adjective, significant, basic, vital)
5
right(noun, adjective, correct, fit, appropriate)
4
essence(condition, need, basic, requirement)
4
of the essence(expression, adjective, idiom, necessary)
4
qualification(noun, condition, requirement, prerequisite)
4
urgent(adjective, important, significant, critical)
4
want(noun, verb, right, need)
3
called for(verb, expression, adjective, phrasal verb)
3
cardinal(adjective, important, significant, original)
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APASmart Define. (2015). requisite thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/requisite/thesaurus/synonyms
ChicagoSmart Define. 2015. "requisite thesaurus" https://smartdefine.org/requisite/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, requisite thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/requisite/thesaurus/synonyms>.
MLASmart Define. "requisite thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/requisite/thesaurus/synonyms>