cooperation · noun U /koʊˌɑp.əˈreɪ.ʃən/
Word family
Nouns: operation, cooperation, cooperative, operator
Adjectives: operational, operative, cooperative
Verbs: operate, cooperate
cooperation
B2 when you work together with someone or do what they ask you
Dictionary examples:
This documentary was made with the cooperation of the transportation authority.
There's very little cooperation between the two countries.
We thank you in advance for your cooperation.
They work in cooperation with other health care professionals.
Learner example:
Thank you in advance for your cooperation in this respect. (First Certificate in English; B2; Dutch)