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, in which children grow up, become adults, and have children of their own:the same families have lived here for generations
• 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 group of people of similar age involved in a particular activity:a new generation of actors and directors
• a single stage in the development of a type of product or technology:a new generation of rear-engined sports cars [as modifier, in combination]:fourth-generation broadband

• 2 [mass noun] the production or creation of something:methods of electricity generation the generation of wealth
• the propagation of living organisms; procreation.