When we say that something "comes down," we typically mean that it is descending, falling, or decreasing. These actions can be described using a variety of synonyms. For example, instead of saying that the price of a product "comes down," you could say that it drops, falls, or decreases. Alternatively, if you want to describe the way a bird lands on the ground, you could say that it touches down, sets down, or alights. There are countless synonyms for "comes down" that can help you to add variety and nuance to your writing or speech.