"Rightabout" is a word commonly used to describe a sharp change in direction, especially when it comes to military manoeuvres. There are many synonyms for this word that can be used depending on the context of the situation. Some alternatives include "about-face," "turnabout," "180-degree turn," and "reversal." These words all convey a sense of sudden and decisive change, whether it's a change of mind or a change of course. In a more informal setting, one might use phrases like "flip-flop," "U-turn," or "change of heart" to describe a change in direction. Regardless of the word used, it's clear that when you're "rightabout" facing, you're making a decisive shift in your path.