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”
Source: WordNet 3.1, Princeton University
