Look for situations in which a group can become more than the sum of its parts.
Habit 6 of the 7 Effective Habits: Synergize
So far as I know, Stephen Covey came up with the concept of synergy. It’s not well-defined in this book, either. Basically it’s too look for situations in which a group can become more than the sum of its parts.
This takes trust between group members. People have to feel safe. This is called Psychological Safety. (see: Vulnerability) For a group of individuals to truly synergize they need a diverse set of experiences, skills, and background (Diversity)