Charm (noun)

1. A small object worn on a necklace or bracelet as a reminder or decoration.
2. A quality that attracts or pleases.
3. A spell or incantation.

Origin:

Middle english: from old french charme, from latin carmen "song, verse, incantation", from canere "sing".

Examples:

1. She wore a charm bracelet.
2. He had a charm for making people laugh.
3. The house had a certain charm about it.
4. The girl had a natural charm.
5. The charm was said to bring good luck.