ingenuous
Definition
Innocent and unsuspecting, often in a way that shows sincerity and frankness; sometimes mistaken for naivety.
हिन्दी निर्दोष और संदेहरहित, जो ईमानदारी और खुलापन दिखाता हो; कभी-कभी भोलापन समझा जाता है।
Example
"Her ingenuous smile made everyone feel at ease."