put (one's) mind to rest

put (one's) mind to rest

To assuage or relieve one's worry, anxiety, dread, fear, etc. I know you're anxious to hear how your father is doing after the surgery, so let me put your mind to rest: he's going to make a full recovery. That bonus really put my mind at rest about these debts.
See also: mind, put, rest
Farlex Dictionary of Idioms.
See also:
  • set (one's) mind at ease
  • set (one's) mind at rest
  • set (one's) mind to rest
  • set mind at ease
  • set one's mind at rest
  • put (one's) mind at ease
  • put (one's) mind at rest
  • put/set somebody's mind at ease/rest
  • have goose bumps
  • goose bumps