dikaioo

δικαιωθήσῃ, [4 verses]( 2nd sg fut ind pass) "Thou shalt be justified" is from dikaioo, which means to "set right," "hold or deem right," "proved," "tested," "claim or demand as a right," "that which is ordained," "pronounce judgment," "chastise," "punish," and, in the passive, "have right done one."  - "Shall be justified" is from an uncommon Greek verb that means "to set right," "to claim or hold as a right," and "to do a man justice." However, it also means "to chastise" and "to punish." In the passive form that is used here, it means "to have right done to one."