What is the meaning of Concilio?

council (especially religious)

conference, meeting

first-person singular present indicative of conciliare

To unite; to bring together; to reconcile; to conciliate

To recommend.

To procure; to gain.

To win over; to purchase.

To win the favour of; to reconcile.

dative/ablative singular of concilium (“council, meeting”)

first-person singular present indicative of conciliar

first-person singular present indicative of conciliar

an assembly or coterie that deals in something and its bylaws, especially a religious body

Source: wiktionary.org