collaborate

collaborate on a book with sb.

collaborate with an enemy

during the last war they collaborated with the Nazis.

he would be forced to collaborate willy-nilly.

Two writers collaborated on the script for the film.

We have collaborated closely with the university on this project.

he collaborated with a distinguished painter on the designs.

"During the wartime, anyone who collaborated might be sentenced to be shot."

Between 1862 and 1883 he collaborated with Joseph HOODER to publish Genera Plantarum, a world flora describing 7569 genera and 97000 species, which is considered his greatest achievement.