Everyone on the same wavelength is probably one of the biggest factors in a successful project. Working together on activities is a great way to get common consensus and shared vision. In this article Jared Spool discusses a few ways in which you can do this.
Achieving shared understanding. It makes my day. It's probably what I'm working towards almost all the time. It probably should be in my job description.
If you're working with disparate groups of stakeholders on projects, this is worth a quick read for a few ideas you may not have tried.
Attaining a Collaborative Shared Understanding - article by Jared Spool for uie,com