1
admitted
1
all-important(adjective, significant, essential, basic, vital)
1
being done
1
bottom-line(adjective, significant, essential, basic, vital)
1
chief(adjective, significant, essential, basic, vital)
1
compelling(adjective, significant, essential, basic, vital)
1
conformable
1
conforming to accepted standards(adjective, right, obligatory)
1
dignified(good, civilized, well-mannered, staid, well-behaved)
1
elegant(adjective, good, civilized, well-mannered, staid)
1
exigent(adjective, significant, essential, basic, vital)
1
expedient(adjective, significant, essential, basic, vital)
1
fundamental(adjective, significant, essential, basic, vital)
1
genteel(modest, polite, decent, moral, prim)
1
good(well-mannered, well-behaved)
1
incumbent on(expression, adjective, significant, essential, basic)
1
mannerable
1
momentous(adjective, significant, essential, basic, vital)
1
must
1
name of game(expression, adjective, idiom, significant, essential)
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APASmart Define. (2015). de rigueur thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/de_rigueur/thesaurus/synonyms
ChicagoSmart Define. 2015. "de rigueur thesaurus" https://smartdefine.org/de_rigueur/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, de rigueur thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/de_rigueur/thesaurus/synonyms>.
MLASmart Define. "de rigueur thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/de_rigueur/thesaurus/synonyms>