mediacy

[ mee-dee-uh-see ]
/ ˈmi di ə si /

noun

the state of being mediate.

Origin of mediacy

1375–1425; late Middle English: intercession; see mediate, -acy

British Dictionary definitions for mediacy

mediacy
/ (ˈmiːdɪəsɪ) /

noun

the quality or state of being mediate
a less common word for mediation