conciliate

verb

1. (obsolete, transitive)To acquire, to procure.

   “Frankneſs and openneſs conciliate confidence. We truſt the man who ſeems willing to truſt us.”

2. (archaic, transitive)To reconcile (discordant theories, demands etc.); to make compatible, bring together.

   “It must surely then happen, to a much greater degree, in a great nation, whose government is suddenly dissolved by the resolution of the people; and which, in taking a new form, has so many jarring interests to conciliate […].”

3. (transitive)To make calm and content, or regain the goodwill of; to placate; to propitiate.

   “`Surely, my father,' I answered courteously, feeling certain that I should do well to conciliate this ancient Mammon of Unrighteousness.”

4. (intransitive)To mediate in a dispute.