federationalism

federational +‎ -ism

federationalism (uncountable)

1. (uncommon) Tendency or preference towards having a federational structure, a federation, in which distinct bodies are united.
   • 1961, James Alexander Robertson, The Hispanic American Historical Review:

     The years following 1819 thus witnessed a resurgence of continental federationalism ...

   • 2015, Liisi Keedus, The Crisis of German Historicism: The Early Political Thought of Hannah Arendt and Leo Strauss, Cambridge University Press (→ISBN), page 92:

     In fact, she regarded this slogan, which was popular at the time, as little else than a reactionary escape. Her political views–her insistence on federationalism as opposed to a national state, on “civic friendship” as the new basis of politics instead of talk of tolerance and granting of special rights to minorities, on the need for a positive concept of politics, emphasis on the political.

• federationism; see also the list at federation