Relating to or befitting a mediator (one who mediates).(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "mediatorial" in a sentence
"In other days there were festal dances, and funeral dances, and military dances, and "mediatorial" dances, and bacchanalian dances."
"England should be "a moderating and mediatorial Power.""
"As already noted above, Blake not only uses multimedia to provide an immersive experience, but uses it to transform consciousness: "Blake continually emphasizes the mediatorial function of art, which serves as a catalyst in a transformation of a mental state""