renewalism UK /ɹɪˈnjuːəlɪzəm/US /ɹɪˈnuəlɪzəm/ noun2 •the broader current within Christianity that emphasizes the Holy Spirit, including the charismatic and Pentecostal movements •a movement within Islam that considers current Islamic society corrupted and calls for a return to what are perceived as its original religious practices and precepts through broad social movements