Etymologically, the term cooperation derives from the Latin words 'co' (meaning together) and 'operari' (meaning to work). Thus, cooperation literally translates to 'working together'. In sociological parlance, it refers to the joint effort of two or more persons to pursue a common objective or to execute a shared task.
- MacIver and Page's Definition: In their monumental work Society: An Introductory Analysis (1949), Robert M. MacIver and Charles H. Page define cooperation as 'the most elementary and pervasive process of social interaction, wherein two or more persons work together for a common end.'
- Kingsley Davis: In Human Society (1949), Davis conceptualizes cooperation as a continuous associative process that sustains social integration and institutional stability.
- Émile Durkheim's Solidarity: Durkheim explored cooperation through the lens of social solidarity in The Division of Labour in Society (1893). He contrasted Mechanical Solidarity (based on likeness and repressive laws) with Organic Solidarity (based on structural differentiation, specialized division of labour, and mutual functional interdependence, representing complex modern cooperation).
- Ferdinand Tönnies' Typology: In Gemeinschaft und Gesellschaft (1887), Tönnies distinguished between Gemeinschaft (community-based cooperation driven by kinship, custom, and sentiment) and Gesellschaft (society-based cooperation driven by rational calculation, contract, and utilitarian interests).