re‧group /ˌriːˈɡruːp/ 
 verb1.  [intransitive and transitive] to form a group again in order to be more effective, or to make people do this: 
 The Allies regrouped and launched a new attack.
 The Allies regrouped and launched a new attack. The Russians retreated, needing to regroup their forces.2.  [intransitive] American English
 The Russians retreated, needing to regroup their forces.2.  [intransitive] American English to stop and think about something, so that you can start to do something again in a better way: 
 I paused for a minute to regroup.
 I paused for a minute to regroup.  [TahlilGaran] Dictionary of Contemporary English ▲