Merriam-Webster Collegiate Dictionary - evangelical

 I. adjective  also evangelic  Date: 1531  1. of, relating to, or being in agreement with the Christian gospel especially as it is presented in the four Gospels  2. protestant  3. emphasizing salvation by faith in the atoning death of Jesus Christ through personal conversion, the authority of Scripture, and the importance of preaching as contrasted with ritual  4.  a. capitalized of or relating to the Evangelical Church in Germany  b. often capitalized of, adhering to, or marked by fundamentalism ; fundamentalist  c. often capitalized Low Church  5. marked by militant or crusading zeal ; evangelistic the ~ ardor of the movement's leaders — Amos Vogel  • Evangelicalism noun  • ~ly adverb  II. noun  Usage: often capitalized  Date: 1532 one holding ~ principles or belonging to an ~ party or church