The term 'A Muse' refers to the nine Greek goddesses of music, poetry, and the arts. The six crossword solutions for this term are Thalia (6 letters), ERATO (5 letters), EUTERPE (7 letters), URANIA (6 letters), LYRE (4 letters), and CLIO (4 letters). Thalia was the muse of comedy and pastoral poetry, ERATO was the muse of lyric poetry, EUTERPE was the muse of music, URANIA was the muse of astronomy, LYRE was the muse of the LYRE, and CLIO was the muse of history.