an organization of people who have a common purpose

the act of consorting with or joining with others

the process of bringing ideas or events together in memory or imagination

the state of being connected together as in memory or imagination

(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