Definition of: internationalism

(in′tər·nash′ən·əl·iz′əm) noun
1. The character of being related to more nations than one or to nations generally.
2. The doctrine that common interest, mutual understanding, and friendly dependence among nations can be the foundation of world–wide equality, justice, and peace: opposed to nationalism.
3. The doctrine of a workers' international socialistic organization for the betterment of workers throughout the world.
—in′ter·na′tion·al·ist noun
—in′ter·na′·tion·al′i·ty noun