federate
I
verb
act in concert, affiliate, ally, amalgamate, assemble, associate, band, collaborate, combine, concert, confederate, conjoin, consociate, join, join forces, league, merge, organize, participate, pool one's interests, unify, unionize, unite, unite by compact, unite in a federation, unite in a league
II
index
affiliate, allied, associated, combine (act in concert), consolidate (unite), cooperate, federal, federalize (associate), intimate, join (bring together), mutual (collective), organize (unionize), pool
Burton's Legal Thesaurus.
William C. Burton.
2006