Pleasing to the ear is a term used to describe music or sound that is pleasant and enjoyable. The crossword solutions for this term are TUNEFUL (7 letters), DULCET (6 letters), MELLIFLUOUS (11 letters), HARMONIC (8 letters), onkey (5 letters), and tonal (5 letters). TUNEFUL refers to a sound that is melodious and pleasing, while DULCET is a soft, sweet sound. MELLIFLUOUS is a term used to describe a smooth, flowing sound, and HARMONIC is a sound that is in harmony with other sounds. Onkey is a term used to describe a sound that is slightly off-key, while tonal is a sound that has a specific pitch.