Ecumenic used in a sentence

Ecumenic in a sentence as an adjective

Did you just invent the technology version of Fr Jack's "That would be an ecumenical matter."

Many other things were up for dispute as well, such as the exact nature of Jesus, but these were ultimately ironed out under ecumenical councils which ratified certain dogmatic truths such as the Trinity. Beginning with the First Council of Nicaea in 325 AD, convened by Constantine, Rome sought to define Christianity properly and began to eradicate all heretics, such as Arianism and Catharism, though some remote groups such as the Copts evaded them due to being out of their jurisdiction.