There are several synonyms for the phrase "charge to experience" that can be used interchangeably depending on the context. One common synonym is "chalk it up to experience," which means to see a negative outcome as a learning opportunity. Another one is "take it as a learning opportunity," which has a similar meaning as the previous one and suggests that a mistake or failure can be valuable for personal growth. "Learn from it" is also another synonym that emphasizes the importance of taking away a lesson from an experience. Lastly, "put it down to experience" is another synonym that means to recognize a negative experience as a source of knowledge or wisdom.