3
rule(noun, law, regulation, order, charge)
3
ruling(noun, adjective, law, regulation, superior)
3
stipulation(noun, form, fix, pass, position)
3
stringent(adjective, duty, severity)
3
tenet(noun, law, regulation, belief, decree)
2
administrative
2
ascendant(arrogant, haughty, oppressive, domineering, tyrannical)
2
assertive
2
authoritarian
2
bounden duty(expression, idiom, duty)
2
central(adjective, important, significant, critical, vital)
2
coercive(severity, dominant, oppressive, persuasive, convincing)
2
compulsatory(commanding, required, obligatory, authoritative, domineering)
2
compulsion(noun, concern, demand, need, essential)
2
conclusive(key, necessary, required, obligatory, pivotal)
2
considerable(big, significant, substantial, valuable, vital)
2
controlling
2
convention(honor, belief, standard, integrity, principle)
2
de rigueur(expression, adjective, significant, essential, basic)
2
departmental
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APASmart Define. (2015). imperative thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/imperative/thesaurus/synonyms
ChicagoSmart Define. 2015. "imperative thesaurus" https://smartdefine.org/imperative/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, imperative thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/imperative/thesaurus/synonyms>.
MLASmart Define. "imperative thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/imperative/thesaurus/synonyms>