colleagueship
noun
The condition or relationship of being colleagues.
Rare in practice; most writers reach for 'collegiality' to describe the friendly spirit between colleagues.
Related words
coworkerA person who works at the same place as you.delegateSomeone chosen to speak or act on behalf of others, for example at a meeting or conference.executiveRelating to the management and daily decision-making of a company, government, or other organization.approveTo consider something good or acceptable; to view it with favor.directorThe person in charge of leading or managing a department, a project, or a production such as a film or play.draftAn early version of a piece of writing or a drawing that will be revised later.