The phrase "turned out to be" is commonly used to describe a situation or outcome that ended up being different from what was initially expected or believed. However, there are several great synonyms to use in its place. Examples include "proved to be," "ended up being," "came to be," "unfolded as," "materialized as," "revealed itself as," and "manifested as." Using these alternatives can add interest and variety to your writing, as well as provide a more precise description of the circumstances. Whether you're writing a story or an academic paper, choosing the right synonym can make all the difference in conveying your message clearly and effectively.