Route-marching is a military term that refers to marching in a particular direction along a predetermined route. There are several synonyms that can be used to describe this activity. These include: 1. Trekking 2. Marching 3. Marching in formation 4. Walking in line 5. Trooping 6. Striding 7. Stepping out 8. Tramping 9. Footslogging 10. Moving in lockstep All of these words convey the same meaning as route-marching and can be used interchangeably depending on the context in which they are used. Whether it's a drill practice or a real mission, these words can be used to communicate the activity of moving as a group in a particular direction.