cooperation
noun [ U ]
( UK also co-operation) uk/kəʊˌɒpəˈreɪʃən/ usthe process of working with another company, organization, or country in order to achieve something:
economic/international/global cooperation
cooperation with sb/sth Marketing networks have been enhanced through cooperation with Chinese enterprises.
cooperation between sb/sth (and sb/sth) Successful innovation requires cooperation between different departments.
closer/greater/increased cooperation We need to see closer cooperation between industry and government.
in cooperation with Starbucks, in cooperation with Conservation International, sourced its coffee direct from farmers in Mexico.
the fact of being willing to be helpful and to do what someone asks you to do:
They promised full cooperation with the tax authorities.