"Meant to happen" is a phrase often used to describe events that were destined or intended to occur. However, this phrase could be replaced with other synonyms that express the same meaning. For instance, you could use the word "destined" or "preordained" to describe something that was fated to occur. "Inevitable" and "foreseeable" could also be utilized to describe events that were bound to happen. Moreover, the phrase "purposeful" could be used to convey the sense that an event occurred for a specific reason or intention. Overall, there are plenty of synonyms to use in place of "meant to happen," each with their unique connotations.