The word "Adamitic" refers to the biblical character Adam or his descendants. However, there are different synonyms that can be used instead of Adamitic when it comes to describing something related to Adam. Some of these synonyms include "Adamical", "primitive", "antique", "primordial", "ancient", and "original". These words are used to describe something that is old, traditional, or ancient. They are mostly used in reference to the early stages of human existence, lifestyles, cultures, or practices. Therefore, instead of using Adamitic, one can choose to use any of these synonyms to create unique and descriptive written content.