There are many synonyms for the phrase "do an about face". Some examples include "turn around", "change direction", "reverse course", "make a U-turn", and "pivot". These synonyms can be used in a variety of contexts, from physical movements to changes in opinions or plans. Synonyms for "do an about face" can also be modified to create more specific meanings. For example, "make a sharp turn" emphasizes a sudden change of direction, while "re-position" suggests a strategic adjustment of plans. Overall, using synonyms for "do an about face" can help add nuance and variation to your language.