1) Acted as arbitrator 2) Helped settle a contract 3) Helped settle an argument 4) Helped settle as an argument 5) Interceded 6) Interposed 7) Mediate 8) Refereed 9) Settled things 1) Mediate 
Mediated: How the Media Shapes Your World and the Way You Live in It is a non-fiction book by anthropologist Thomas de Zengotita published in 2005 by Bloomsbury about the effect of the media in the Western world. Mediated aims at creating awareness rather than offering ready-made solutions to remedy the intrusion of too much media in our industria...
• (imp. & p. p.) of Mediate
[adj] - acting or brought about through an intervening agency
adjective acting or brought about through an intervening agency; `the mediated settlement brought satisfaction to both sides`