foundational
adjective formal uk/faʊnˈdeɪ.ʃən.əl/ us/faʊnˈdeɪ.ʃən.əl/
基础的，基本的
forming the base from which everything else develops
He referred to "the foundational ideas of marriage and family on which our society is based." 他提到了 "我们社会赖以生存的婚姻和家庭的基本观念"。
Synonyms: basicfundamental