euphonious (adj.)
- agreeable
- appealing
- ariose
- balanced
- canorous
- cantabile
- catchy
- dulcet
- euphonic
- euphonical
- euphonous
- flowing
- fluent
- golden
- harmonious
- honeyed
- measured
- mellifluous
- mellisonant
- mellow
- melodic
- melodious
- musical
- ordered
- orderly
- pleasant
- rich
- silver-tongued
- silvery
- singable
- smooth
- songful
- songlike
- sonorous
- sweet
- symmetrical
- tripping
- tuneful