There are several synonyms that can be used to describe an area that is "more forested". One common term is "denser", which refers to an area that has a higher density of trees and vegetation. Another option is "thicker", which describes an area with thicker undergrowth and a higher concentration of trees. Some other synonyms for "more forested" include "lush", "verdant", and "green". These terms are often used to describe areas that are rich in plant life and have a high level of biodiversity. Regardless of which term is used, all of these synonyms describe an area that is abundant in trees and other plant life.