pourparley
/pʊərˈpɑːrli/Definitions
1. noun
a preliminary conference or meeting, especially one in which an attempt is made to reach an agreement without formal negotiation
“The diplomats held a secret pourparley to discuss the terms of the treaty.”
2. verb
to engage in informal or private talk, especially with the intention of reaching an agreement or making a decision
“The two teams decided to pourparley and try to find a compromise.”