/ Thesaurus / R Synonyms of robert motherwell Find synonyms for: Noun1. Motherwell, Robert Motherwellusage: United States abstract expressionist painter (1915-1991)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penurious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language