To supplement (a composition) with additional instruments, especially strings.
To make pure and salubrious by destroying noxious matter.
To make warm and fertile.
To restore to purity; to free from taint.
To become sweet.
To make less painful or laborious; to relieve.
To soften to the eye; to make delicate.
To make sweet to the taste.
To make more attractive; said of offers in negotiations.
To make (more) pleasant or to the mind or feelings.
To make mild or kind; to soften.