The term "most waving" can be replaced with several synonyms such as "highly gesticulating", "most animated", "extremely expressive", "vigorously gesturing", "emphatically signaling", "exaggeratedly gesticulating" or "elaborately waving". Such synonyms can come in handy when trying to describe a person who is using a lot of hand movements and gestures while speaking, emphasizing their words or expressing enthusiasm. In addition, using synonyms for words like "most waving" adds variety and depth to the language used and also helps to avoid repetition.