The act of working with someone or doing what they ask of you
This documentary was made with the cooperation of the victims' families.
There's very little cooperation between the two countries.
The company produces computers in cooperation with a German firm.
International cooperation is essential for addressing global challenges such as climate change and public health crises.
The successful completion of the project relied on the close cooperation between various departments within the organization.
The countries in the region signed a treaty to promote economic cooperation and mutual development.
Effective cooperation among team members led to the successful launch of the new product ahead of schedule.
