"Dulcetly" is an adverb that typically describes a sound that is sweet, soothing, or pleasantly musical. There are several synonyms for "dulcetly" that can add some variety and color to your writing. Examples of these synonyms include "harmoniously," "melodiously," "serenely," "tenderly," and "soothingly." Additionally, one could use "pleasantly," "mellifluously," "rhythmically," "gracefully," or "lyrically" to describe a sound in a more poetic or descriptive way. Depending on the context and tone of your writing, you may find that certain synonyms work better than others to accurately convey the intended meaning of "dulcetly".