transitive. To join in alliance; to ally. Chiefly with to, unto, with. Usually in passive.

transitive. To couple or join two or more things together. to combine a league. Obsolete.

transitive. To unite in or as in a league.

intransitive. To join with (a person or party) as a co-worker, confederate, partisan, etc.; to fall in agreement with (an opinion, project, etc.). Obs…

Dissension within a political party or other organization, especially when resulting in self-interested or turbulent strife or intrigue; conflict or…

transitive. = adopt, v. (in various senses).

intransitive. To associate or ally oneself (with others). Obsolete.

intransitive for reflexive. To join, make common cause with. Obsolete. rare.

intransitive. To join with (a person or group of people) in a venture of some kind.

intransitive. North American colloquial. With with (regional also along of). To associate, ally, or cooperate. Now rare.

intransitive. To associate or unite oneself or one's interests with (or to). Also transitive, to associate (one thing) with another. Originally U.S.…

transitive (chiefly reflexive). With to, with. To connect or align (a group, institution, etc.) with another body, typically one that is larger or…