Meaning of muse

(noun) in ancient Greek mythology any of 9 daughters of Zeus and Mnemosyne; protector of an art or science

the source of an artist's inspiration; "Euterpe was his muse"

(verb) reflect deeply on a subject; "I mulled over the events of the afternoon"; "philosophers have speculated on the question of God for thousands of years"; "The scientist must stop to observe and start to excogitate"