Crossword clues for the word: GUSTAVE The word GUSTAVE has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for GUSTAVE Showing 1 to 9 of 9 results Clue(s) Author Flaubert Composer Charpentier. Eiffel of Eiffel Tower fame Engineer Eiffel Flaubert. French composer Charpentier French painter Courbet Monsieur Flaubert Novelist Flaubert