Sarah'nın genç arkadaşları korkmaya başladı. Sadece o soğukkanlılığını korudu ve arkadaşlarını rahatlattı. - Sarah's young friends were starting to be scared. Only she kept her cool and reassured her friends.
If you feel reassured, you feel less worried about something, usually because you have received help or advice. I feel much more reassured when I've been for a health check
give or restore confidence in; cause to feel sure or certain; "I reassured him that we were safe" cause to feel sure; give reassurance to; "The airline tried to reassure the customers that the planes were safe
If you reassure someone, you say or do things to make them stop worrying about something. I tried to reassure her, `Don't worry about it. We won't let it happen again.' She just reassured me that everything was fine. to make someone feel calmer and less worried or frightened about a problem or situation