The word "insonate" is a relatively uncommon term that refers to the act of producing a loud and resonant sound, typically through the use of a musical instrument or a human voice. However, there are several alternative words that can be used to convey a similar meaning. Some synonyms of insonate include "resound," "echo," "reverberate," "boom," "thunder," "blare," "blast," and "roar." Each of these words captures the essence of creating a loud and powerful sound that can be felt and heard over a great distance. Whether you are describing a crashing wave on the shore or a beautiful operatic performance, these synonyms for insonate can help you to paint a vivid picture of the sound in your reader's mind.