Definition of "Development" :

noun: act of improving by expanding or enlarging or refining

"He congratulated them on their development of a plan to meet the emergency."

noun: the act of making some area of land or water more profitable or productive or useful

"The development of Alaskan resources."

noun: (music) the section of a composition or movement (especially in sonata form) where the major musical themes are developed and elaborated

noun: a recent event that has some relevance for the present situation

"Recent developments in Iraq."

noun: a district that has been developed to serve some purpose

"Such land is practical for small park developments."

noun: processing a photosensitive material in order to make an image visible

"The development and printing of his pictures took only two hours."

noun: a process in which something passes by degrees to a different stage (especially a more advanced or mature stage)

"The development of his ideas took many years."

noun: (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level

"He proposed an indicator of osseous development in children."

noun: a state in which things are improving; the result of developing (as in the early part of a game of chess)

"After he saw the latest development he changed his mind and became a supporter."