"I first came upon this extension of ecumenism into pan-deism among some Roman Catholic scholars interested primarily in the "reunion of the churches," Roman, Orthodox, Anglican." . . . . "We may perhaps ask what is the ultimate aim of the Curia in promoting the pan-deist movement."
Source: wiktionary
It was felt that ecumenism was being contaminated by "pan-Deist" and syncretistic tendencies.
Source: wiktionary
But a sincere idealist, implicitly pan-Deist in faith, deeply concerned with the problems of the world and of time, can be a Ghibelline pope, and Dante's Ghibellines have at last triumphed.
Source: wiktionary