Wiktionary
put at ease
vb. to evoke or cause someone to be relaxed or calm
Usage examples of "put at ease".
I'm hoping they will be put at ease after testing the food on the dogs, and anxious enough for the ale that the idea of it being poisoned won't come into their heads.
Their captain had been put at ease by a pilot with a sense of humor.
She was a lovely-looking young woman, and cast off no warning signs of threat or danger, but Kahlan wasn't put at ease by a fresh face and innocent demeanor.