Generational means relating to a particular generation, or to the relationship between particular generations. People's lifestyles are usually fixed by generational habits and fashions. connected with a particular generation or the relationship between different generations
A generational cohort has been defined as "the group of individuals (within some population definition) who experience the same event within the same time interval". The notion of a group of people bound together by the sharing of the experience of common historical events developed in the early 1920s. Today the concept has found its way into popular culture through well known phrases like "baby boomer" and "Generation X"