The term "Sunday-go-to-meeting" is often used to describe clothing that is suitable for church or dressing up for formal occasions. There are several synonyms that can be used instead of this phrase, such as "church clothes," "Sunday best," "dressy attire," or "formal wear." These phrases reflect the idea of dressing up and looking presentable for special occasions, especially those related to religious events or gatherings. Other synonyms that may be related to dressing up for these events include "smart clothing," "professional attire," or "fancy dress." Ultimately, these synonyms can be used to convey a sense of respect and reverence for the event or occasion at hand.