MEMENTO Meaning of MEMENTO in English noun 1.Synonyms: remembrance 3, keepsake, memorial, relic, remembrancer, reminder, souvenir, token, trophy 2.Synonyms: vestige 1, relic, shadow, trace Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003