join

transitive verb
  1. : to come together so as to form a unit the other victims of the scheme joined in the suit

    : to come together so as to form a unit the other victims of the scheme joined in the suit

  1. a : to align oneself with especially in a legal matter she joined her husband as plaintiff

    b : to cause or order (a person) to become a party to a lawsuit if a person has not been joined as required, the court must order that the person be made a party —Federal Rules of Civil Procedure Rule 19(a) — compare consolidate, implead, interplead, intervene

    c : to enter into or participate in join the suit

    : to commence involvement or participation a person who refuses to join as a plaintiff may be made either a defendant, or…an involuntary plaintiff —Federal Rules of Civil Procedure Rule 19(a)