This riset proves that communicative da’wah (Islamic communication) is the most effective way in combating radicalism since it prioritizes the persuasive, rational, and dialogical approaches. The Western and Muslim scholars propose several methods in combating radicalism in religion. Karen Armstrong in his book "The Battle for God; Fundamentalism in Judaism, Christianity and Islam" states that radicalism in religion can be reduced by attending equal distribution of economy and broader access to politic. Bernard Lewis in "What Went Wrong? The Clash Between Islam and Modernity in the Middle East" states that radicalism in religion can be neutralized by promoting democratic attitude among religious followers. Yüsuf Qard{awî in "al-S{ahwat al-Islãmiyah bayn al-Juhüd wa al-Tat{arruf"concludes that facing individual or group who commit radicalism should be through dakwah. Azyumardi Azra in "Konflik Baru Peradaban: Globalisasi, Pluralitas, dan Radikalisme " states that all efforts in combating terrorism in whatever form should be away from violence, since all acts of violence often yield in suffering innocent people. Petrus Reinhard Golose in "Deradikalisasi Terorisme: Humanis, Soul Approach dan menyentuh Akar Rumput" offers a deradicalization program applied by the Indonesian Police force using Soul and Humanistic approach by involving various parties in eradicating terrorism till its root. This riset support the concept of Yüsuf Qardhawî by emphasizing idea that communicative dakwah is the most effective approach in combating radicalism in Islam.