Stagging is a term that can be difficult to translate into synonyms due to its unique meaning as a verb. However, some possible synonyms for stagging include spying, monitoring, tailing, observing, and shadowing. All of these words imply an action of watching or tracking someone, possibly without their knowledge or permission. In some contexts, the word stalking could also be used as a synonym for stagging, although this term has a more negative connotation and implies a more persistent and potentially harmful form of monitoring. Overall, when trying to describe the act of stagging in different words, it is important to consider the specific context and intention behind the action.