Breadcrumb Home > Thesaurus > S Synonyms of spaceman Find synonyms for: Noun 1. astronaut, spaceman, cosmonaut, traveler, traveller usage: a person trained to travel in a spacecraft; "the Russians called their astronauts cosmonauts" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of spaceman (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: pernicious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language