əˈɹeɪnd͡ʒmənt ˈɔː(ɹ).ɡən.aɪˌzeɪ.ʃən ˌɔɹɡənɪˈzeɪʃən ˌɔːɡənaɪˈzeɪʃən ˌɔɹɡənɪˈzeɪʃən ˌɔɹɡənaɪˈzeɪʃən ˈsɪstəm ˈsɪstəm an organized structure for arranging or classifying he changed the arrangement of the topics the facts were familiar but it was in the organization of them that he was original he tried to understand their system of classification