"Fleshment" is a term used to describe the act of becoming experienced or becoming accustomed to something. Synonyms for "fleshment" include "seasoning", which refers to the process of acquiring skills or knowledge through practice or experience. Another synonym is "mastery", representing the attainment of a high level of proficiency or expertise in a particular field. Additionally, "acclimation" can be used as a synonym, conveying the idea of adjusting or adapting to new situations. Another alternative is "enrichment", implying the process of enhancing or developing one's abilities through exposure to various experiences. These synonyms emphasize the growth and development that comes with gaining experience in different aspects of life.