collaborator; cooperator; coworker; ally
cooperation; collaboration
cooperative relation; cooperative relationship; collaborative relationships; cooperative structure; cooperative ties; cooperative alliance
readiness to cooperate; framework for cooperation
combined (concerted) efforts; solidarity; joining forces (with)
international cooperation
combined (concerted) efforts; solidarity; joining forces (with)
cooperative delivery vehicle (esp. for deliveries between libraries); liaison vehicle
sales cooperative; sales cooperation
cooperation between the private and public sectors
European Political Co-operation; EPC
cooperation with the government from outside the cabinet