Divertisement is an uncommon word, often used as a synonym for "entertainment" or "amusement." However, there are many other words that can be used interchangeably with divertisement. For example, one could use terms like "diversion," "distraction," "pleasure," "recreation," and "pastime" instead of divertisement. Other synonyms for this word might include "delight," "enjoyment," "amusement," "diverting," and "entertainment." Essentially, any word that implies a form of diversion or distraction from the usual routine would work as a synonym for divertisement. Overall, there are many different words that can be used to describe the concept of divertisement, and it's important to choose the right ones based on context and tone.