Astronaut
Thesaurus
Martian adventurer aeronaut aeroplaner aeroplanist air pilot airplanist alien alpinist aviator barnstormer birdman camper captain climber cloud seeder comers and goers commercial pilot commuter copilot cosmonaut cosmopolite crop-duster cruiser excursionist explorer fare flier globe-girdler globe-trotter goer hajji instructor jet jockey jet set jet-setter journeyer licensed pilot man from Mars mariner mountaineer palmer passenger passerby pathfinder pilgrim pilot pioneer planetary colony rainmaker rocket man rocketeer rubberneck rubbernecker sailor sightseer space crew space traveler spaceman straphanger stunt flier stunt man test pilot tourer tourist trailblazer trailbreaker transient traveler trekker tripper viator visiting fireman voortrekker voyager voyageur wayfarer wingman world-traveler