60 entries under tuneful topic. ×

4
symphonious(adjective, smooth, pleasant, sweet, agreeable)
3
consonant(adjective, sweet, agreeable, sympathetic, suitable)
3
symphonic(adjective, sweet, agreeable, sympathetic, suitable)
2
accordant(adjective, clear, sweet, agreeable, sympathetic)
2
amicable(adjective, sweet, agreeable, sympathetic, suitable)
2
canorous(adjective, clear, strong, intense, harmonious)
2
compatible(adjective, sweet, agreeable, sympathetic, suitable)
2
concordant(adjective, clear, sweet, agreeable, sympathetic)
2
congenial(adjective, sweet, agreeable, sympathetic, suitable)
2
cordial(adjective, sweet, agreeable, sympathetic, suitable)
2
in tune(expression, sweet, agreeable, sympathetic, suitable)
2
pleasant-sounding(adjective, sweet, melodious, musical)
2
suitable(adjective, sweet, agreeable, sympathetic, peaceful)
1
adapted(adjective, sweet, agreeable, sympathetic, suitable)
1
assonant(adjective, clear, harmonious, musical)
1
balanced(adjective, sweet, agreeable, sympathetic, suitable)
1
congruous(adjective, sweet, agreeable, sympathetic, suitable)
1
coordinated(adjective, sweet, agreeable, sympathetic, suitable)
1
corresponding friendly(expression, sweet, agreeable, peaceful, cordial)
1
harmonizing(adjective, sweet, agreeable, sympathetic, suitable)
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APASmart Define. (2015). mellifluous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/mellifluous/thesaurus/synonyms
ChicagoSmart Define. 2015. "mellifluous thesaurus" https://smartdefine.org/mellifluous/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, mellifluous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/mellifluous/thesaurus/synonyms>.
MLASmart Define. "mellifluous thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/mellifluous/thesaurus/synonyms>