federalist (n.)youdaoicibaDictYouDict[federalist 词源字典]
1787, American English, "member or supporter of the Federal party in U.S. politics" (originally of supporters of the Philadelphia constitution), from federal + -ist. General sense of "one who supports federal union" is from 1792. The party expired c. 1824. As an adjective by 1801.[federalist etymology, federalist origin, 英语词源]