/ Thesaurus / I Synonyms of isoroku yamamoto Find synonyms for: Noun1. Yamamoto, Isoroku Yamamotousage: Japanese admiral who planned the attack on Pearl Harbor in 1941 (1884-1943)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language