A union or alliance of states or political organizations. / The act of forming an alliance.

plural of confederation

In Canada, the federal union of provinces and territories which formed Canada, beginning with New Brunswick, Nova Scotia, Ontario, and Quebec, and later including all the others.

Relating to a confederation.

Of or relating to the Confederate States of America. / (historical) Of or relating to the political movement in favour of Confederation between Newfoundland and Canada.

A citizen of the Confederate States of America. / (historical) A supporter of Confederation between Newfoundland and Canada.

A member of a confederacy. / An accomplice in a plot. / (psychology) An actor who participates in a psychological experiment pretending to be a subject but in actuality working for the researcher.

of, relating to, or united in a confederacy / banded together; allied.

(transitive, intransitive) To combine in a confederacy.

plural of confederate