mediate
/ˈmē-dē-ət/
adjective
occupying a middle position
acting through an intervening agency
exhibiting indirect causation, connection, or relation
verb
to bring accord out of by action as an intermediary
to effect by action as an intermediary
to act as intermediary agent in bringing, effecting, or communicating : convey
endeavored to mediate East-West differences on several important issues
mediated a settlement that was satisfactory to both sides