Knack (noun)

1. A clever trick or device for doing or achieving something, especially something unusual or not easily accomplished.
2. An innate or acquired skill or ability to do something well.

Origin:

Middle english knak, from middle dutch knak, knakke, of imitative origin.

Examples:

1. He had a knack for fixing things, and could always make the broken toy work again.
2. She had a knack for remembering names and faces, which made her a great hostess.
3. The magician had a knack for making the audience believe in his illusions.
4. The chef had a knack for creating delicious dishes with simple ingredients.
5. He had a knack for making people feel comfortable and at ease.