In which situation would someone likely use the word "raucous"?

The word "raucous" describes something that is loud, harsh, or disorderly, often associated with boisterousness or cacophony. In a noisy celebration, such as a party, concert, or festival, there is a high likelihood of loud sounds, laughter, and exuberant expressions from attendees. This environment is typically characterized by excitement and energy, making "raucous" an appropriate descriptor for the atmosphere.

In contrast, a peaceful meeting would not fit this description, as it implies quiet and calm discourse. Similarly, discussing a drama may involve a variety of tones and emotions, but it is not inherently noisy. Lastly, a formal debate is typically structured and controlled, focused on argumentation and rhetoric rather than loud or chaotic expression. Thus, the environment of a noisy celebration is the best context for using the term "raucous."