"Dost about face" is a phrase that typically means to turn around or reverse one's position. There are various synonyms that can be used instead of this phrase, depending on the context. For example, "do an about-turn," "make a U-turn," "flip-flop," "turncoat," "change of heart," "switch sides," "rethink," "reconsider," "shift stance," "alter viewpoint," "take a different tack," "backtrack," "revise opinion," "retract statement," and "reverse position" are all potential synonyms. Choosing the right synonym can help to convey a specific tone or meaning, such as whether the change of position is deliberate or prompted by external factors.