Although many people are using the term missional almost as often as they say, "LIKE" or "You Know" I don't find many who understand the term at all. It has become a buzz word and used to replace Post Modern.
Here is what a church can do to become missional. Remember the basics of the good news and preach Christ resurrected from the grave. Also remember that almost everyone who comes to Christ does so through a family member of friend. Few come in big meetings or evangelistic events.
Campus groups have been remarkably successful in sharing the gospel among high school and college students. I cannot count the number of adults who Committed their lives to Christ through a fellow student from IV, Campus Crusade, Navigators, Young Life, etc.
One reason is that the groups are focused on reaching out to friends. That is a very successful strategy. Intentional outreach is much more successful than accidental outreach.
Every group needs to have an outreach. Later I will lay out the ways to design groups for maximum impact.