All 5 Uses

collaborate
in
The Bonesetter's Daughter
(Auto-generated)

Then I started freelance editing, and a few years ago I took on more full-scale book collaboration, mostly inspirational and self-improvement books, better health, better sex, better soul, that kind of thing.†
Chpt 1.1

collaboration = the act of working together
I'm a book collaborator," she answered.†
Chpt 1.2
"You're a dream when it comes to collaboration," Gideon went on.†
Chpt 1.2 *

collaboration = the act of working together
She felt like a collaborator, a traitor and a spy.†
Chpt 1.2
A girl in the laundry told me he had been jailed for collaborating with the Japanese during the war.†
Chpt 2.7

collaborating = working together

Definitions:

(1) (collaborate)
work together on a common enterprise or project

or more rarely and especially in the form collaborator: cooperate with the enemy as a traitor
(2) (meaning too rare to warrant focus)