Bedeutung von “cooperation” — Learner’s Dictionary

cooperation

noun [ U ] also UK co-operation us uk /kəʊˌɒpəˈreɪʃən/

B2 a situation in which you work together with someone or do what they ask you:

international cooperation
The school works in / close cooperation with parents.

(Definition von “cooperation” aus dem Cambridge Learner's Dictionary © Cambridge University Press)