The late ’90s had “postmodern.” The first part of the 21st century introduced us to “emerging.” But over the last few years, there has been no bigger buzzword in Christianity than “missional.” It’s a word that has exploded into the popular vernacular of preachers, theologians and seminary professors. It has graced the covers of almost every major Christian publication. It has spawned books, seminars, conferences and endless blog debates. A growing number of congregations now describe themselves as “missional churches.” And proponents of the idea believe you and your church would do well to do the same. But what does it mean?