4
assuager
3
ataractic agent(noun, expression, idiom)
3
balm(comfort, relief)
3
downer
3
mollifier
3
pain killer(noun, expression, idiom, medicine)
3
quietener
2
allayer
2
anaesthetic
2
anesthetic
2
anodyne(noun, medicine, drug, comfort, relief)
2
appeaser
2
calmer
2
drug
2
lullaby
2
mitigator
2
moderator
2
painkiller(noun, anesthetic)
2
palliative(noun, comfort, relief)
2
psychotropic drug(downer, calmative)
10 years ago|4k views|share |citing 
APASmart Define. (2016). tranquilizer thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/tranquilizer/thesaurus/synonyms
ChicagoSmart Define. 2016. "tranquilizer thesaurus" https://smartdefine.org/tranquilizer/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, tranquilizer thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/tranquilizer/thesaurus/synonyms>.
MLASmart Define. "tranquilizer thesaurus" 18 February 2016. Web. 21 September 2026. <https://smartdefine.org/tranquilizer/thesaurus/synonyms>