"Getting it" can mean a variety of things depending on the context in which it's used. In some cases, it may refer to understanding a concept or idea, while in other cases, it may refer to mastering a skill or achieving a goal. Synonyms for "getting it" could include grasping, comprehending, understanding, taking in, absorbing, assimilating, learning, capturing, acquiring, and achieving. Each of these words carries a slightly different connotation, but they all communicate the idea of successfully attaining knowledge or proficiency. Whatever the context, finding the right synonym for "getting it" can help to more precisely communicate your meaning and avoid confusion.