39
proper(adjective, good, correct, right, appropriate)
29
prim(adjective, characteristic, good, strong, correct)
26
stiff(adjective, characteristic, tough, correct, severe)
21
solemn(adjective, severe, proper, established, impressive)
20
rigid(adjective, tough, correct, severe, firm)
19
ceremonious(adjective, characteristic, good, strong, correct)
19
conventional(adjective, good, correct, right, appropriate)
19
stately(adjective, proper, polite, noble, elegant)
17
ceremonial(adjective, good, correct, proper, modest)
17
regular(adjective, property, proper, common, ordinary)
17
distant(adjective, tough, correct, firm, cold)
17
reserved(adjective, tough, correct, firm, cold)
16
official(adjective, proper, ordinary, usual, normal)
14
aloof(adjective, tough, correct, firm, cold)
14
dignified(adjective, good, polite, noble, grand)
13
punctilious(adjective, characteristic, good, strong, correct)
13
decorous(adjective, correct, appropriate, polite, suitable)
12
precise(adjective, characteristic, correct, stiff, affected)
12
courtly(adjective, smooth, proper, polite, noble)
12
methodical(adjective, property, proper, ordinary, usual)
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APASmart Define. (2016). formal thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/formal/thesaurus/synonyms
ChicagoSmart Define. 2016. "formal thesaurus" https://smartdefine.org/formal/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, formal thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/formal/thesaurus/synonyms>.
MLASmart Define. "formal thesaurus" 10 March 2016. Web. 20 September 2026. <https://smartdefine.org/formal/thesaurus/synonyms>