abortionism
/əˈbɔːʃ(ə)nɪz(ə)m/ /əˈbɔːʃənɪz(ə)m/noun
Originally: the practice of inducing abortion. In later use (depreciative ): support for or advocacy for permitting induced abortion, especially as a woman's right.
Origin
Mid 19th century. From abortion + -ism. Compare slightly earlier abortionist.