Synonyms for Forest (same or very similar meaning)
WordNet sense 1 (land that is covered with trees and shrubs):
timber, timberland, woodlandWordNet sense 2 (the trees and other plants in a large densely wooded area):
wood, woodsWordNet sense 3 (establish a forest on previously unforested land):
afforestFrom the ODE community, based on WordNetadd/edit