I don't pretend to understand your game, but you may rely on my secrecy.
He tried to swear Edith and me to secrecy, but we refused to be sworn.
Secrecy was now out of the question and it was well that he was moving thus in the open.
However, I'll take it out, as you wish it, and make the full stop at "secrecy."
Tom and I are trying to solve the mystery, and secrecy is of ...