/ Thesaurus / A Synonyms of alan bartlett shepard jr. Find synonyms for: Noun1. Shepard, Alan Shepard, Alan Bartlett Shepard Jr.usage: astronaut who made the first United States' suborbital rocket-powered flight in 1961 (1923-1998)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language