Consociate

n.	1.	An associate; an accomplice.
v. t.	1.	To bring into alliance, confederacy, or relationship; to bring together; to join; to unite. [imp. & p. p. Consociated ; p. pr. & vb. n. Consociating.] Join pole to pole, consociate severed worlds. - Mallet.
	2.	To unite in an ecclesiastical consociation.
v. i.	1.	To be allied, confederated, or associated; to coalescence.
	2.	To form an ecclesiastical consociation.

Verb

1.

consociate - bring or come into association or action; "The churches consociated to fight their dissolution" Synonyms: associate

associate, unify, unite, walk