Consociate \Con*so"ci*ate\, v. t. [imp. & p. p. {Consociated}; p. pr. & vb. n. {Consociating}.] 1. To bring into alliance, confederacy, or relationship; to bring together; to join; to unite. [R.] Join pole to pole, consociate severed worlds. --Mallet. 2. To unite in an ecclesiastical consociation. [U.S.]