"Conferential" is a word used to describe a discussion or conversation held among colleagues or professionals. Some synonyms for "conferential" include "consultative," "deliberative," "discursive," "dialogic," "parleying," and "consultational." All of these words describe a conversation that involves exchanging thoughts, ideas, and opinions towards a common objective. They all imply a formal tone and an environment of respect, where each participant has the opportunity to express their views to arrive at an agreement. Choosing the right synonym will depend on the context in which the conversation is taking place and the intended audience.