Post-communion is a term that refers to the final part of a religious service where the congregation receives holy sacraments. If you are looking for some synonyms for post-communion, you can consider the terms like Eucharist, sacramental ritual, mass, Holy Communion, or even the Lord's Supper. All of these terms have a similar meaning, which is the time when people receive sacraments. Some variations of post-communion might depend on the particular religion and culture, but the main idea behind the concept remains the same. Whatever you choose to call this after-communion time, it represents a crucial part of a religious worship that brings people together in a spirit of devotion and unity.