Also see definition of "Musing" in Word Study
Musing
MUSE; MUSING [isbe]
MUSE; MUSING - muz, muz'-ing: The word occurs twice in the Old Testament, in the sense of "meditate" (Ps 39:3, chaghigh; Ps 143:5, siach); in the New Testament once (Lk 3:15, dialogizomai, where the Revised Version (British and American) reads "reasoned").
Also see definition of "Musing" in Word Study