activism

active +‎ -ism

• (US) IPA^(key): /ˈæk.tɪ.vɪz.m̩/, /ˈæk.tɪ.vɪ.zəm̩/

activism (countable and uncountable, plural activisms)

1. The practice of using action to achieve a result, such as political demonstration or a strike in support of or in opposition to an issue.
   • 2013 August 10, “Can China clean up fast enough?”, in The Economist, volume 408, number 8848:

     That worries the government, which fears that environmental activism could become the foundation for more general political opposition.

• activist
• activistic