Euphonical is an adjective that means pleasing to the ear. If you're looking for synonyms, you can use mellifluous, harmonious, melodious, musical, dulcet, tuneful, sweet-sounding, pleasant-sounding, or sonorous. These words all describe sounds that are beautiful to listen to, whether it's the sound of a bird singing or the melody of a beloved song. The word euphonical is often used to describe music, but it can also describe other sounds that are pleasing to the ear, such as the sound of a babbling brook or the soft rustling of leaves in the wind. Whatever your preference, there are plenty of words to choose from when describing beautiful sounds.