When it comes to expressing the idea of "is logical," there are a variety of synonyms that can aptly capture the meaning. Some possible options could include "makes sense," "is rational," "is coherent," "is reasonable," or "is sound." Depending on the context and the audience, certain synonyms might be more effective than others. For example, if you're speaking to a highly academic audience, using the term "coherent" might be more precise and appropriate than "makes sense." Conversely, if you're trying to convey an idea to a general audience, you might want to opt for a more accessible synonym like "reasonable." Ultimately, the key is to choose a synonym that effectively conveys the desired meaning in a clear and precise way.