2
refined(good, civilized, well-mannered, well-behaved)
2
respectable(good, well-mannered, well-behaved)
2
sage
2
sane
2
saturnine
2
self-composed(adjective, unexcitable)
2
self composed(expression, idiom)
2
sensible(adjective, calm, firm, solid, relaxed)
2
stayed(dejection, excitability)
2
stoic(adjective, unexcitable)
2
strait-laced(stiff, affected, unassuming, solemn)
2
substantial(adjective, firm, solid, big, heavy)
2
uncomic
2
unhurried(adjective, unexcitable)
1
abnegating(adjective, calm, quiet, reasonable, sensible)
1
abstaining(adjective, calm, quiet, reasonable, sensible)
1
abstemious
1
abstract(adjective, indifferent, casual, aloof, remote)
1
arid
1
assured
10 years ago|16k views|share |citing 
APASmart Define. (2016). staid thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/staid/thesaurus/synonyms
ChicagoSmart Define. 2016. "staid thesaurus" https://smartdefine.org/staid/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, staid thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/staid/thesaurus/synonyms>.
MLASmart Define. "staid thesaurus" 19 February 2016. Web. 23 September 2026. <https://smartdefine.org/staid/thesaurus/synonyms>