The nine daughters of Zeus and Mnemosyne who inspired artists and musicians. Four of the daughters: Calliope, Euterpe, Erato and Polyhymnia were specifically responsible for inspiring poets.
[n] the source of an artist's inspiration; "Euterpe was his muse"
[n] in ancient Greek mythology any of 9 daughters of Zeus and Mnemosyne; protector of an art or science
[v] 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"
chew over, contemplate, excogotate, meditate, mull, mull over, ponder, reflect, ruminate, speculate, think over