generational

noun

1. the act or process of producing offspring; procreation
2. a bringing into being; production
3. a single stage or degree in the succession of natural descent: father and son are two generations
4. the average period (about thirty years) between the birth of one generation and that of the next
5. 1. all the people born and living at about the same time
   2. a group of such people with the same experience, attitude, etc. in common: the computer generation
6. any of the stages of successive improvement in the development of a product, system, etc.
7. Geom. the formation of a curve, plane, or figure by the motion of a point, line, or plane