12
formal(adjective, correct, appropriate, polite, suitable)
12
meet(verb, adjective, good, correct, right)
11
civil(adjective, proper, polite, elegant, refined)
11
elegant(adjective, good, quiet, simple, appropriate)
11
fit(verb, adjective, good, correct, right)
11
good(adjective, correct, right, pleasant, friendly)
11
well-mannered(adjective, good, correct, pleasant, friendly)
10
comely(adjective, good, appropriate, proper, modest)
10
demure(adjective, calm, good, quiet, cool)
10
gentlemanly(adjective, polite, refined, courteous, mannerly)
10
prim(adjective, good, appropriate, proper, polite)
10
staid(adjective, calm, good, set, cool)
10
well-bred(adjective, proper, polite, elegant, refined)
9
appropriate(adjective, good, correct, right, fit)
9
befitting(adjective, good, right, fit, appropriate)
9
ceremonious(adjective, good, respect, correct, appropriate)
9
conventional(adjective, correct, appropriate, common, suitable)
9
honest(adjective, good, right, appropriate, respectable)
9
sedate(adjective, calm, good, cool, appropriate)
9
suitable(adjective, good, correct, right, fit)
11 years ago|22k views|share |citing 
APASmart Define. (2015). decorous thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/decorous/thesaurus/synonyms
ChicagoSmart Define. 2015. "decorous thesaurus" https://smartdefine.org/decorous/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, decorous thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/decorous/thesaurus/synonyms>.
MLASmart Define. "decorous thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/decorous/thesaurus/synonyms>