cooperate
US /koʊˈɑː.pə.reɪt/
UK /koʊˈɑː.pə.reɪt/

1.
work jointly with others or assist in a common purpose
:
•
The two companies decided to cooperate on the new project.
•
We need everyone to cooperate to finish this task on time.
work jointly with others or assist in a common purpose