(myz) noun
Something regarded as the source of artistic inspiration; the inspiring power of a poet or of poetry. [<MUSE]

(myz) v.t. & v.i. mused, mus·ing
To consider thoughtfully or at length; ponder; meditate.
—noun
1. The act or state of musing; reverie.
2. Wonder. [<OF muser]
—mus′er noun
—muse′ful adjective Synonyms (verb): brood, cogitate, consider, contemplate, deliberate, dream, meditate, ponder, reflect, ruminate, stew, study, think. Compare REFLECTION.
THE MUSES
—FROM A SARCOPHAGUS IN THE LOUVRE, PARIS
A. Clio. B. Thalia. C. Erato. D. Euterpe. E. Polyhymnia. F. Calliope. G. Terpsichore. H. Urania. I. Melpomene.

(myz)
In Greek mythology, any of the nine goddesses presiding over poetry, the arts, sciences, etc.: Calliope, Clio, Erato, Euterpe, Melpomene, Polyhymnia, Terpsichore, Thalia, and Urania. [<F <L Musa <Gk. Mousa a Muse, eloquence, music]