improved

adjective

advanced to a more desirable or valuable or excellent state. Opposite of unimproved.

adjective

changed for the better.

adjective

that has been made better; enhanced

verb

Simple past tense and past participle of improve.

adjective

made more desirable or valuable or profitable; especially made ready for use or marketing

adjective

become or made better in quality

adjective

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