This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. One that mediates, especially one that reconciles differences between disputants.

n. Physiology A substance or structure that mediates a specific response in a bodily tissue.

n. One who negotiates between parties seeking mutual agreement

n. One who mediates; especially, one who interposes between parties at variance for the purpose of reconciling them; hence, an intercessor.

n. One who mediates; one who interposes between parties; especially, one who interposes for the purpose of effecting reconciliation.

n. A go-between; an agent.

n. Synonyms Intercessor, interceder, propitiator.

n. a negotiator who acts as a link between parties

"The term mediator means that Jesus is the implementer and enforcer of the promises of the new agreement."

treater    negotiant    negotiator   

the mediator   

median    mediate    mediation    mediatorial    mean    mediatorian    mediatorship    medium   

peacemaker    marriage broker    reconciler    harmoniser    matchmaker    make-peace    pacifier    matcher    interpreter    translator   

negotiator   

cytokine    arbitrator    adviser    pacificator    negotiator    helper    arbiter    confidant    peacemaker    intermediary