Word familynounradicalradicalismRadicalismradicalityradicalizationradicalnessradicandradicationradicelradicleradiculeadjectiveradicalradicantradicateradicatedradicelloseradicicolousradiciformradicivorousradicularradiculoseverbradicalizeadverbradically
rad·i·cal·ize (also radicalise British English) /ˈrædɪkəlaɪz/ verb [transitiveT]
to make people accept new and different ideas, especially ideas about completesocial and political change 使激进;使接受全新观念