Definition of reunionism in English:

reunionism

noun

  • Advocacy of or support for the reunion of disunited factions, nations, etc.; especially (also with capital initial) advocacy of the reunion of Protestants (especially Anglicans) with the Roman Catholic Church.

Origin

Mid 19th century; earliest use found in Christian Remembrancer. From reunion + -ism.

Pronunciation

reunionism

/(ˌ)riːˈjuːnɪənɪz(ə)m/