collaborate
//kəˈlæbəˌreɪt//
Verb
collaborateInfinitive
collaboratePresent tense
collaboratedPast tense
collaboratedPast participle
collaboratingPresent participle
collaboratesThird-person singular
1
To work jointly with others, especially in an intellectual endeavor or creative project.
The two universities collaborated on a research project.
2
To cooperate treasonably with an enemy occupying one's country.
He was accused of collaborating with the enemy during the war.