12
ease(noun, style, charm, grace, peace)
12
facility(noun, ease, ability, skill, cunning)
12
fluency(noun, ease, ability, peace, capacity)
11
polish(noun, appearance, quality, style, ease)
7
eloquence(noun, influence, persuasion)
7
grace(noun, appearance, quality, style, ease)
7
suavity(noun, control, understanding, care, charm)
6
adroitness(noun, control, style, understanding, ease)
6
flow
6
slickness(noun, influence, charm, cunning, persuasion)
6
softness(noun, beauty, refinement, delicacy, elegance)
6
suaveness(noun, charm)
5
delicacy(noun, control, understanding, care, head)
5
evenness(noun, consistency, sameness, flatness)
5
finish(noun, quality, style, ease, charm)
5
glibness(noun, charm, suaveness, persuasiveness, eloquence)
5
refinement(noun, control, appearance, quality, style)
5
simplicity(noun, ease, peace, freedom, facility)
5
sleekness(noun, flatness)
5
tact(noun, control, style, understanding, ease)
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APASmart Define. (2015). smoothness thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/smoothness/thesaurus/synonyms
ChicagoSmart Define. 2015. "smoothness thesaurus" https://smartdefine.org/smoothness/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, smoothness thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/smoothness/thesaurus/synonyms>.
MLASmart Define. "smoothness thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/smoothness/thesaurus/synonyms>