gen ‧ e ‧ ra ‧ tion ‧ al /ˌdʒenəˈreɪʃ ə nəl/ BrE AmE adjective [usually before noun]
[ Word Family: noun : ↑ generation ; adjective : ↑ generational ]
connected with a particular generation or the relationship between different generations:
generational conflict
generational divisions