confederate

adjective3

1. •
   Of, relating to, or united in a confederacy
2. •
   Banded together; allied.

   • All the swords / In Italy, and her confederate arms, / Could not have made this peace. — 1608
3. •
   (no longer used) Confederated.

   • Remember as thou read'st, thy promise past : I do repent me, reade not my name there, My heart is not confederate with my hand. — 1595

noun3

1. •
   A member of a confederacy.
2. •
   An accomplice in a plot.

   • By'th'vvay, vve met my vvife, her sister, and a rabble more Of vilde confederates : […] — 1594
3. •
   An actor who participates in a psychological experiment pretending to be a subject but in actuality working for the researcher.

   • So how do you win the imitation game? “Just be yourself,” a past confederate advises Christian. But what does it mean to “be yourself”? — 2011

verb1

1. •
   To unite persons or states in a league, confederacy or conspiracy; to ally, league.

   • With them the gods were confederated to break barbarian arrogance. — 1924

adjective3

1. •
   (historical) Of or relating to the Confederate States of America.
2. •
   (historical) Of or relating to Confederate Ireland or the Irish Confederate Wars.
3. •
   (historical) Of or relating to the political movement in favour of Confederation between Newfoundland and Canada.

noun3

1. •
   (historical) A citizen of the Confederate States of America.

   • In fact, I heard everything in the world except that the Confederates lost the war. When I was ten years old, it was a violent shock to learn that General Lee had been defeated. — 2012
2. •
   (historical) A supporter of Confederation between Newfoundland and Canada.
3. •
   (historical) A supporter of Irish Catholic self-rule during the Wars of the Three Kingdoms.