When referring to something that happened a long time ago, using the phrase "ages ago" may seem like the perfect choice. However, there are many other synonyms that you can use to express the same concept. For instance, you can say "eons ago," "many moons ago," "light-years back," "in the distant past," "once upon a time," or "long yore." Each of these expressions adds variety to your writing while still conveying the same meaning. As a writer, it's important to explore different descriptive words and phrases to keep your work engaging and interesting.