(historical) A citizen of the Confederate States of America.

(historical) A supporter of Confederation between Newfoundland and Canada.

(historical) A supporter of Irish Catholic self-rule during the Wars of the Three Kingdoms.

(historical) 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.

(historical) Of or relating to Confederate Ireland or the Irish Confederate Wars.

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.

(transitive, intransitive) To combine in a confederacy.

Of, relating to, or united in a confederacy

Banded together; allied.