Definition of "spacefaring" []

• The launching of vehicles into outer space. (noun)
• Engaged in the launching of vehicles into outer space: "efforts in planetary exploration . . . achieved in cooperation with other spacefaring nations” ( Chet Raymo). (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "That's why the Vision made such a point about using the resources of the Moon -- it's close, we know what's there, and it's the perfect place to learn the skills we need to create real, long-term spacefaring capability."
• "The Space Review has called Planetes “probably the most broad, detailed, and realistic televised vision of a near-term spacefaring future that has aired anywhere.”"
• "Yes, absolutely that facility would be governed by a sovereign power subject to the Outer Space Treaty of 1967 but it would be a sovereign capable of achieving diplomatic balance with the other spacefaring powers."