internationalize

from The American Heritage® Dictionary of the English Language, 5th Edition.

• transitive verb To make international.
• transitive verb To put under international control.

from The Century Dictionary.

• To make international; cause to affect the mutual relations of two or more countries: as, to internationalize a war.
• To bring or force (a weak country or territory) under the control or protection of several stronger nations. See internationalism, 2.

from the GNU version of the Collaborative International Dictionary of English.

• transitive verb To make international; to cause to affect the mutual relations of two or more nations.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb To make something international; to involve multiple nations

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb make international in character
• verb put under international control