King James Bible

CONFEDERATE, adjective [Latin] United in a league; allied by treaty; engaged in a confederacy.

These were confederate with Abram. Genesis 14:13.

Syria is confederate with Ephraim. Isaiah 7:2.

CONFED'ERATE, noun One who is united with others in a league; a person or nation engaged in a confederacy; an ally.

CONFED'ERATE, verb intransitive [Latin] To unite in a league; to join in a mutual contract or covenant.

By words men come to know one another's minds; by these they covenant and confederate

The colonies of America confederated in 1775.

Several States of Europe have sometimes confederated for mutual safety.

CONFED'ERATE, verb transitive To unite in a league; to ally.

With these the Piercies them confederate