1
general::
Phrase(s): get well
to become healthy again. • Ann had a cold for a week, and then she got well. • Hurry up and get well!
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Recover from illness, as in I hope you get well soon. This idiom uses well in the sense of "in good health," a usage dating from the mid-1500s.
American Heritage Idioms