Boyd’s Bible Dictionary:
(peaceful). For “to Shalem” (Gen. 33:18), read “in peace to.”
Concise Bible Dictionary:
This is judged to be not a proper name, but that the passage should read, Jacob came “safely” to the city of Shechem (Gen. 33:18). The RV has “came in peace.”
Jackson’s Dictionary of Scripture Proper Names:
at peace: complete: safe: perfect