39 entries under decisive topic. ×

18
imperative(noun, adjective, form, fix, pass)
14
required(adjective, important, significant, essential, critical)
10
mandatory(adjective, set, significant, essential, basic)
10
obligatory(adjective, significant, essential, basic, vital)
8
needed(adjective, important, significant, essential, critical)
7
needful(adjective, set, important, significant, capital)
5
wanted(adjective, important, significant, capital, essential)
4
expedient(adjective, significant, essential, basic, vital)
4
fundamental(noun, adjective, important, need, significant)
3
compulsory(adjective, set, significant, essential, basic)
2
binding(adjective, significant, essential, basic, vital)
2
pressing(adjective, significant, essential, basic, vital)
1
all-important(adjective, significant, essential, basic, vital)
1
bottom-line(adjective, important, significant, essential, critical)
1
chief(adjective, important, significant, capital, essential)
1
coal-and-ice(important, essential, critical, basic, fundamental)
1
compelling(adjective, significant, essential, basic, vital)
1
critical(important, essential, basic, fundamental)
1
de rigueur(expression, adjective, significant, essential, basic)
1
exigent(adjective, significant, essential, basic, vital)
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APASmart Define. (2015). prerequisite thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/prerequisite/thesaurus/synonyms
ChicagoSmart Define. 2015. "prerequisite thesaurus" https://smartdefine.org/prerequisite/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, prerequisite thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/prerequisite/thesaurus/synonyms>.
MLASmart Define. "prerequisite thesaurus" 4 September 2015. Web. 22 September 2026. <https://smartdefine.org/prerequisite/thesaurus/synonyms>