mediating (?.)

• agential
• agentival
• agentive
• arbitrational
• arbitrative
• assisting
• coming between
• conducive
• employable
• facilitating
• favoring
• forwarding
• going between
• handy
• helpful
• instrumental
• intercessional
• intercessory
• interlocutory
• intermedial
• intermediary
• intermediate
• intermediatory
• intervening
• interventional
• mediative
• mediatorial
• mediatory
• mesne
• middle
• ministerial
• ministering
• pacificatory
• promoting
• serviceable
• subservient
• useful