Antonyms for the phrase "more unconversant" refer to the opposite of being unfamiliar or unversed with a particular subject or topic. Some of the antonyms include "knowledgeable," "expert," "proficient," "skillful," "experienced," and "familiar." Being knowledgeable implies having a deep understanding and expertise in the subject matter, while proficiency means having a high degree of skill or competence. Skillful and experienced refer to having practical knowledge and the ability to use that knowledge effectively. Lastly, being familiar means understanding something thoroughly and being able to engage in conversations related to it. Thus, antonyms for "more unconversant" describe individuals with a high level of knowledge and expertise in various subject areas.