Select the most appropriate one-word substitution for the given group of words.

A person belonging to all parts of the world

Cosmopolitan

The most appropriate one-word substitution for "a person belonging to all parts of the world" is cosmopolitan.

• Multinational means belonging to or relating to several nations.
• Cosmopolitan means having a worldwide outlook or interests.
• Wanderer means a person who travels from place to place without settling down.
• Heterogeogenous means composed of different elements or ingredients.

The word cosmopolitan comes from the Greek words "kosmos," meaning "world," and "polites," meaning "citizen." A cosmopolitan person is someone who is comfortable in different cultures and who has a global perspective. They are not limited by national borders or cultural norms, and they are open to new experiences.