House of Justice converted to House of Spirituality

... in 1902 they formally elected a body of believers in Chicago and called it the "House of justice"; it performed great service. Once the Faith was established there and the friends became thoroughly acquainted with the tenets of the Faith, they modified the name of the elected body to "House of Spirituality".

(Memories of Nine Years in Akka by Youness Afroukhteh)