|Origin:||, past participle of cooperari, from Latin co- ( CO-) + operari 'to work'|
co‧op‧e‧rate also co-operate British English [intransitive]
to work with someone else to achieve something that you both want
The two universities are to cooperate in the development of a new industrial process.
They agreed to co-operate with Brazil on a programme to protect the rain-forests.
Lions cooperate with each other when hunting game.
As chairman I was anxious to co-operate with Mr Baker as far as possible.
The church seeks to cooperate closely with local schools.
cooperate to do something
Both sides agreed to co-operate to prevent illegal fishing in the area.