Learn how to say Federalists correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word federal:
1having or relating to a system of government in which several states form a unity but remain independent in internal affairs:
a federal Europe
2relating to or denoting the central government as distinguished from the separate units constituting a federation:
the health ministry has sole federal responsibility for health care
(Federal) US historical of the Northern states in the Civil War.
(also federalise) verb
mid 17th century: from Latin foedus, foeder- ‘league, covenant’ + -al