The term "arrangement holder" can refer to a variety of individuals, from event planners to musicians who create musical arrangements. There are several synonyms for this term that can be used depending on the context. For example, an event planner may be referred to as a coordinator, planner, or organizer. The individual in charge of a musical arrangement may be called an orchestrator, composer, or producer. In the context of floral arrangements, an arrangement holder could be referred to as a florist, designer, or decorator. Regardless of the specific term used, an arrangement holder is someone who is responsible for organization and implementation, ensuring that everything is in its proper order.