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

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 confederation

plural of confederate

A confederation

Of, pertaining to, or being a confederation.