Islamic revival (Arabic: تجديد tajdīd, lit., "regeneration, renewal"; also الصحوة الإسلامية aṣ-Ṣaḥwah l-ʾIslāmiyyah, "Islamic awakening") refers to a revival of Islam, usually centered around enforcing Sharia. A leader of a revival is known in Islam as a mujaddid.
Within the Islamic tradition, tajdid is an important religious concept called for periodically throughout Islamic history and according to a sahih hadith occurring every century. They manifest in renewed commitment to the fundamentals of Islam, the teachings of the Quran and hadith of the Islamic prophet Muhammad, the divine law of Sharia, and reconstruction of society in accordance with them.