When it comes to synonyms for the term "laughing hyena," there are a few different options to consider. One possibility is to simply refer to the hyena as a "spotted hyena," which is the most common variety of hyena and the one most likely to be associated with laughter-like vocalizations. Other options might include using terms like "cackling hyena," "giggling hyena," or "mirthful hyena" to evoke the same sense of humor and amusement that is often associated with these animals. Ultimately, the choice of synonym will depend on the tone and context of the writing, as well as the specific associations that the writer wishes to invoke.