regrouping

verb (used with object)

1. to form into a new or restructured group or grouping.

verb (used without object)

2. to become reorganized in order to make a fresh start: If the plan doesn’t work, we’ll have to regroup and try something else.
3. Military. to become organized in a new tactical formation.

verb

1. to reorganize (military forces), esp after an attack or a defeat
2. (tr) to rearrange into a new grouping or groupings
3. (intr) to consider using different tactics after a setback in a contest or argument

v.

also re-group, 1838, from re- “again” + group (v.). Related: Regrouped; regrouping.