verb (used without object), co·op·er·at·ed, co·op·er·at·ing.
Origin of cooperate
Examples from the Web for cooperating
She claims the FBI tried to enlist her as a cooperating source in their investigation.
The dangerous, anti-American course of action the show suggests: cooperating with the United Nations.
Cooperating with Assad is also the only feasible way, at present, to lessen the humanitarian nightmare in Syria.There’s Only One Way to Beat ISIS: Work With Assad and Iran|Leslie H. Gelb|October 18, 2014|DAILY BEAST
Today, Stephenson is cooperating with a federal investigation of the eBay reseller whom he purchased these works from.
In April, Scott Raab and Lisa Brennan at Esquire reported that Wildstein was cooperating with Fishman.
He's an artist, but we beat him by cooperating to make machines.Northwest!|Harold Bindloss
I want to thank you very much for coming in and cooperating with us to the extent that you have.Warren Commission (8 of 26): Hearings Vol. VIII (of 15)|The President's Commission on the Assassination of President Kennedy
During this period the anti-Bolshevist elements in Russia were cooperating with these efforts in their behalf.
Instead of cooperating with police, he went to work on his own.Saboteurs on the River|Mildred A. Wirt
I want to thank you very much for spending the time that you have with us and for cooperating with us the way you have.Warren Commission (10 of 26): Hearings Vol. X (of 15)|The President's Commission on the Assassination of President Kennedy
British Dictionary definitions for cooperating
Word Origin for cooperate
Word Origin and History for cooperating
also co-operate, c.1600, from Late Latin cooperatus, past participle of cooperari "to work together with" (see cooperation). Related: Cooperated; cooperating.