An initiation ceremony is a rite of passage where an individual is inducted into a new social or religious group. There are many different words that can be used to describe this important event, each with subtle nuances in meaning. Some possible synonyms for initiation ceremony include inauguration, induction, installation, investiture, initiation rites, or a right of passage ceremony. Additionally, depending on the context, terms like dedication, baptism, or swearing-in ceremony could also serve as substitutes. Regardless of the specific terminology used, the underlying purpose of such a ceremony remains the same - to formally acknowledge and celebrate the beginning of a new chapter in a person's life.