The shared or group intelligence that emerges from the collaboration, collective efforts, and competition of many individuals and appears in consensus decision making.

Collective Intelligence [Wikipedia]

[...] groups of individuals doing things collectively that seem intelligent.

Working Paper: T. W. Malone, R. Laubacher, C. Dellarocas. "Harnessing Crowds: Mapping the Genome of Collective Intelligence". MIT Center for Collective Intelligence, No. 2009-001, Feb. 2009. [MIT Center of Collective Intelligence]

[...] a form of universally distributed intelligence, constantly enhanced, coordinated in real time, and resulting in the effective mobilization of skills. [...] No one knows everything, everyone knows something.

Book: P. Lévy. "Collective Intelligence: Mankind's Emerging World in Cyberspace". Perseus Books, 1997. [ACM Digital Library]