4
thoughtful(adjective, courteous)
4
upright(adjective, good, correct, right, appropriate)
3
acceptable
3
apt(adjective, good, correct, right, fit)
3
aristocratic(adjective, proper, polite, elegant, refined)
3
au fait(expression, adjective, good, correct, appropriate)
3
bonny
3
clean(good, quiet, simple, appropriate, pure)
3
conformant
3
deferential(adjective, respect, courteous)
3
due(adjective, right, appropriate, fair, proper)
3
hospitable(adjective, polite, refined, courteous, mannerly)
3
immaculate(adjective, good, quiet, right, appropriate)
3
kosher(adjective, good, correct, right, fit)
3
law-abiding(adjective, calm, quiet, restrained, obedient)
3
neat(adjective, quiet, simple, pure, elegant)
3
obliging(adjective, good, pleasant, friendly, fine)
3
official
3
orthodox(good, correct, appropriate)
3
puritanical(adjective, correct, polite, decent, moral)
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APASmart Define. (2015). decorous thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/decorous/thesaurus/synonyms
ChicagoSmart Define. 2015. "decorous thesaurus" https://smartdefine.org/decorous/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, decorous thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/decorous/thesaurus/synonyms>.
MLASmart Define. "decorous thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/decorous/thesaurus/synonyms>