v.
1.change the key of, in music
2.of one's speech, varying the pitch
3.fix or adjust the time, amount, degree, or rate of
4.adjust the pitch, tone, or volume of
5.vary the frequency, amplitude, phase, or other characteristic of (electromagnetic waves)
Idiom of the Day
on an even keel
in a well-ordered situation or condition
We got the new department running on an even keel before our holiday.