a person who contributes to the fulfillment of a need or furtherance of an effort or purpose; "my invaluable assistant"; "they hired additional help to finish the work"
being changed over time so as to be e.g. stronger or more complete or more useful; "the developed qualities of the Hellenic outlook"; "they have very small limbs with only two fully developed toes on each"
(of real estate) made more useful and profitable as by building or laying out roads; "condominiums were built on the developed site"
(used of societies) having high industrial development; "developed countries"