• synonyms


[fed-uh-rey-shuh n]
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  1. the act of federating or uniting in a league.
  2. the formation of a political unity, with a central government, by a number of separate states, each of which retains control of its own internal affairs.
  3. a league or confederacy.
  4. a federated body formed by a number of nations, states, societies, unions, etc., each retaining control of its own internal affairs.
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Origin of federation

1715–25; < Late Latin foederātiōn- (stem of foederātiō) a leaguing. See federate, -ion
Related formsin·ter·fed·er·a·tion, nounpro·fed·er·a·tion, adjectivere·fed·er·a·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for federation

union, league, association, tribe, alliance, family, combination, pool, coalition, crowd, crew, gang, syndicate, entente, mob, ring, outfit, amalgamation, confederacy, bunch

Examples from the Web for federation

Contemporary Examples of federation

Historical Examples of federation

British Dictionary definitions for federation


  1. the act of federating
  2. the union of several provinces, states, etc, to form a federal union
  3. a political unit formed in such a way
  4. any league, alliance, or confederacy
  5. a union of several parties, groups, etc
  6. any association or union for common action
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noun Australian
  1. the Federation the federation of the Australian colonies in 1901
  2. a style of domestic architecture of that period, characterized by red brick, terracotta roof tiles, sinuous curves, and heavy window frames
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for federation


1721, "union by agreement," from French fédération, from Late Latin foederationem (nominative foederatio), noun of action from Latin foederare "league together," from foedus "covenant, league" (genitive foederis); see federal.

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Online Etymology Dictionary, © 2010 Douglas Harper