(1):

(n.) An associate; an accomplice.

(2):

(v. t.) To bring into alliance, confederacy, or relationship; to bring together; to join; to unite.

(3):

(v. t.) To unite in an ecclesiastical consociation.

(4):

(v. i.) To be allied, confederated, or associated; to coalescence.

(5):

(v. i.) To form an ecclesiastical consociation.