There are several synonyms for the word "treecovered," including forested, wooded, arboreal, and sylvan. The term "forested" describes an area covered by a thick growth of trees, while "wooded" refers to an area covered by trees or wooded areas. The word "arboreal" refers to trees or the habitats of tree-dwelling animals, while "sylvan" is used to describe a peaceful, wooded area. These synonyms are commonly used to describe natural environments and the ecosystems that support them. Whether you're talking about a densely forested area or a quiet, sylvan wood, these words help to paint a picture of nature's beauty and diversity.