Did about face is an expression that means to change direction or revert from something previously said or done. There are several different ways to express a similar idea, such as redirected, turned around, altered course, changed stance, or flipped positions. Other similar synonyms might include retracting, reversing, pivoting, or flipping. These words can be used to describe a variety of situations where someone changes their mind, such as in an argument, political discussion, or personal relationship. No matter which synonym you choose, they all convey the idea of a sudden change in direction or perspective.