any number of entities (members) considered as a unit | the act of consorting with or joining with others |
the activity of putting things together in groups | the process of bringing ideas or events together in memory or imagination |
a system for classifying things into groups | a formal organization of people or groups of people |
| (ecology) a group of organisms (plants and animals) that live together in a certain geographical region and constitute a community with a few dominant species |
| (chemistry) any process of combination (especially in solution) that depends on relatively weak chemical bonding |
| a relation resulting from interaction or dependence |
| a social or business relationship |
| the state of being connected together as in memory or imagination |