Mirriam-Webster's definition:
1) companionship or association with one's fellows: friendly or intimate intercourse: company
2) a voluntary association of individuals for common ends; especially: an organized group working together or periodically meeting because of common interests, beliefs, or profession
3a) an enduring and cooperating social group whose members have developed organized patterns of relationships through interaction with one another
3b) a community, nation, or broad grouping of people having common traditions, institutions, and collective activities and interests
4a) a part of a community that is a unit distinguishable by particular aims or standards of living or conduct: a social circle or a group of social circles having a clearly marked identity (literary society)
4b) a part of the community that sets itself apart as a leisure class and that regards itself as the arbiter of fashion and manners
5a) a natural group of plants usually of a single species or habit within an association
5b) the progeny of a pair of insects when constituting a social unit (as a hive of bees); broadly: an interdependent system of organisms or biological units
Carl Jung says:
Why did the chicken cross the road?
The confluence of events in the cultural gestalt necessitated that individual chickens cross roads at this historical juncture, and therefore synchronicitously brought such occurrences into being.