Sometimes, events happen unexpectedly and bring us happiness or success. Such events are often called "by a happy chance." However, there are several other synonyms that can replace this phrase depending on the context. For example, "fortunately," "luckily," "serendipitously," "unexpectedly," or "by chance." These words can be used in a variety of situations that involve fortunate or unexpected events, and they provide more depth and variation in writing or speech. With a wealth of synonyms at our disposal, we can expand our vocabulary, enhance our communication skills, and express ourselves more effectively.