put one at ease
put (one) at (one's) ease
To calm, comfort, or reassure one; to make one comfortable or relaxed. I'd like to put you all at your ease and assure you that there will be no layoffs, so please do not listen to the rumors going around. The duke was renowned for going to great lengths to put his guests at their ease when they called over for social visits.
put one at (one's) ease
Fig. to cause someone to relax or feel welcome. She usually tells a little joke to put you at your ease. Please do something to put me at ease.