ecumenism
noun
ecu·me·nism e-ˈkyü-mə-ˌni-zəm 
i-,
also ˈe-kyə-,
or ˌe-kyə-ˈme-
: ecumenical principles and practices especially as shown among religious groups (such as Christian denominations)
ecumenist
e-ˈkyü-mə-nist
noun i-
also ˈe-kyə-mə-nist
or ˌe-kyə-ˈme-nist
Example Sentences
Recent Examples on the Web Four amicus briefs show a heart warming level of ecumenism. 
Peter J Reilly, Forbes, 23 Jan. 2022 But not everyone shares Hochman’s judicious assessment of National Review’s ecumenism. Sam Adler-bell, The New Republic, 3 Dec. 2021 His ecumenism brought a relief even to the celebrities whose looks were setting the trends. Ron Kampeas, sun-sentinel.com, 28 Apr. 2021 Along with several hundred other ecumenical groups, People of Praise celebrated the 50th anniversary of ecumenism's revival in the Catholic Church in Rome. Nicholas Rowan, Washington Examiner, 30 Sep. 2020 Given all the troubles faced by Christian communities striving to preserve their religious heritage in the Middle East, the cradle of the Church, be grateful for the government’s somewhat mercenary but frank and genuine ecumenism and goodwill. Nr Editors, National Review, 20 Aug. 2020 This exhortation is awash in the pluralistic ecumenism that has dominated post-conciliar thinking. John Hirschauer, National Review, 25 Feb. 2020 Progressive approaches to Catholic teaching that most German bishops have long advocated—on ecumenism, moral teaching and decentralized church governance—now enjoy the support of Pope Francis. Francis X. Rocca, WSJ, 4 May 2018 Last month, the German bishops’ leaders traveled to Rome to discuss the question with Archbishop Ladaria and other officials of the Vatican’s offices for doctrine, ecumenism and church law. Francis X. Rocca, WSJ, 4 June 2018 See More
Peter J Reilly, Forbes, 23 Jan. 2022 But not everyone shares Hochman’s judicious assessment of National Review’s ecumenism. Sam Adler-bell, The New Republic, 3 Dec. 2021 His ecumenism brought a relief even to the celebrities whose looks were setting the trends. Ron Kampeas, sun-sentinel.com, 28 Apr. 2021 Along with several hundred other ecumenical groups, People of Praise celebrated the 50th anniversary of ecumenism's revival in the Catholic Church in Rome. Nicholas Rowan, Washington Examiner, 30 Sep. 2020 Given all the troubles faced by Christian communities striving to preserve their religious heritage in the Middle East, the cradle of the Church, be grateful for the government’s somewhat mercenary but frank and genuine ecumenism and goodwill. Nr Editors, National Review, 20 Aug. 2020 This exhortation is awash in the pluralistic ecumenism that has dominated post-conciliar thinking. John Hirschauer, National Review, 25 Feb. 2020 Progressive approaches to Catholic teaching that most German bishops have long advocated—on ecumenism, moral teaching and decentralized church governance—now enjoy the support of Pope Francis. Francis X. Rocca, WSJ, 4 May 2018 Last month, the German bishops’ leaders traveled to Rome to discuss the question with Archbishop Ladaria and other officials of the Vatican’s offices for doctrine, ecumenism and church law. Francis X. Rocca, WSJ, 4 June 2018 See More Word History
First Known Use
1948, in the meaning defined above