mediate

(verb) act between parties with a view to reconciling differences. Synonyms: intercede, intermediate, liaise, arbitrate. Examples: "He interceded in the family dispute." "He mediated a settlement."

(verb) occupy an intermediate or middle position or form a connecting link or stage between two others. Examples: "Mediate between the old and the new."

(adj) acting through or dependent on an intervening agency. Synonyms: mediate (vs. immediate). Examples: "The disease spread by mediate as well as direct contact."

(adj) being neither at the beginning nor at the end in a series. Synonyms: in-between, middle. Examples: "Adolescence is an awkward in-between age." "In a mediate position." "The middle point on a line."