Emily Dickinson Lexicon

CON-CIL'I-ATE, v.t. [L. concilio, to draw or bring together, to unite; a compound of con and calo, Gr. καλεω, to call; Ch. אכלי in Aph., from כלי, כלא or כלה, to hold or keep, to trust, to finish, to call, to thunder; W. galw. The primary sense of the root is, to strain, stretch, drive, or draw. Calling is a straining or driving of voice. See Class Gl, No. 32, 36, 48, 49, and see Council.]

1. To lead or draw to, by moral influence or power; to win, gain, or engage, as the affections, favor, or good will; as, politeness and hospitality conciliate affection.
2. To reconcile, or bring to a state of friendship, as persons at variance. We say, an attempt has been made to conciliate the contending parties.