There are many synonyms for the term "documentary movie". Some of the most common include non-fiction film, factual film, true-to-life film, reality film, and verite film. Other possible synonyms include investigative film, history film, social commentary film, and human interest film. Documentary movies can be made in a variety of styles, from cinema verite to mockumentary, and they can cover a wide range of topics, from politics and current events to science, nature, and more. Regardless of the subject matter or approach, documentary movies are a powerful medium for exploring the world around us and shedding light on important issues.