Definition of development

• act of improving by expanding or enlarging or refining; "he congratulated them on their development of a plan to meet the emergency"; "they funded research and development"
• a recent event that has some relevance for the present situation; "recent developments in Iraq"; "what a revolting development!"
• the act of making some area of land or water more profitable or productive or useful; "the development of Alaskan resources"; "the exploitation of copper deposits"