1. (adjective) made more desirable or valuable or profitable; especially made ready for use or marketing

• built
• reinforced
• developed
• landscaped

2. (adjective) become or made better in quality

• better

3. (adjective) (of land) made ready for development or agriculture by clearing of trees and brush

• cleared

1. (adjective) made more desirable or valuable or profitable; especially made ready for use or marketing

• unimproved