Definitions of set down:

• verb:   cause to sit or seat or be in a settled position or place

  Example: "Set down your bags here"

• verb:   put or settle into a position

  Example: "The hotel was set down at the bottom of the valley"

• verb:   put down in writing; of texts, musical compositions, etc.
• verb:   leave or unload, especially of passengers or cargo;
• verb:   reach or come to rest
• verb:   go ashore