"Dost aboutface" is a term used in military settings to command a soldier to turn around and face the opposite direction. This phrase can also be loosely used in everyday language to refer to a sudden change of opinion or direction. Some common synonyms for "dost aboutface" in the military context include "turn around," "face the rear," and "reverse direction." In a more general sense, synonyms for a sudden change of opinion or direction could include "flip-flop," "reversal," "change of heart," or "180-degree turn." These terms convey a sense of sudden and sometimes unexpected change, whether in a military or civilian context.