Spationaut is a word that is used to describe an astronaut who belongs to the French space program. The word is derived from the French word "espace" meaning "space". Some synonyms for the term include astronaut, cosmonaut, space traveler, and space explorer. An astronaut is a term commonly used to describe a person who is trained to travel and work in space. On the other hand, a cosmonaut is a similar term used for astronauts belonging to the Russian space program. A space traveler is a more generic term used to describe people who have traveled to or worked in space, while a space explorer focuses on the exploration aspect of space travel.