1. The principle or practice of promoting unity and cooperation among different Christian churches and denominations.
Usage: Often used in religious and theological contexts.; Related to the ecumenical movement.
2. The belief that all Christian churches should work together despite their doctrinal differences.
Usage: Broader sense emphasizing interfaith dialogue and cooperation.

Examples

• The bishop's commitment to ecumenicism helped bridge divisions between Catholic and Protestant communities.
• Ecumenicism has grown stronger in recent decades as churches seek common ground on social issues.
• The conference promoted ecumenicism by bringing together leaders from multiple Christian traditions.
• Many theologians view ecumenicism as essential to the modern church's mission.
• The ecumenicism movement has led to joint worship services and collaborative charitable work.