generation

noun

• 1all of the people born and living at about the same time, regarded collectively:one of his generation’s finest songwriters
• the average period, generally considered to be about thirty years, during which children are born and grow up, become adults, and begin to have children of their own.
• a set of members of a family regarded as a single step or stage in descent: [as modifier, in combination]:a third-generation Canadian
• a single stage in the development of a type of product:a new generation of rear-engined sports cars

• 2the production of something:methods of electricity generation the generation of wealth
• the propagation of living organisms; procreation.