1. Any number of entities (members) considered as a unit
   - group 
2. The activity of putting things together in groups 
3. A system for classifying things into groups
   - pigeonholing

1. Arrange into a group or groups
   "Can you group these shapes together?" 
2. Form a group or group together
   - aggroup

Derived forms: groupings

Type of: abstract entity, abstraction, activity, assemble, assort, class, classification system, classify, foregather, forgather, gather, meet, separate, sort, sort out

Encyclopedia: Group

• factor V
• factor VII
• factor VIII
• factor X
• factor XI
• factor XII
• factor XIII
• factorage
• factorial
• factoring
• factorisation
• factorise
• factorization
• factorize
• factory
• factory farm
• factory price
• factory ship
• factory whistle
• factory worker
• factory-made
• factotum
• facts of life
• factual
• factuality