charm

An object, act or words believed to have magic power (usually carries a positive connotation).

"It works like a charm."

The ability to persuade, delight or arouse admiration; often constructed in the plural.

"He had great personal charm."

A small trinket on a bracelet or chain, etc., traditionally supposed to confer luck upon the wearer.

"She wears a charm bracelet on her wrist."

To seduce, persuade or fascinate someone or something.

"He charmed her with his dashing tales of his days as a sailor."

To use a magical charm upon; to subdue, control, or summon by incantation or supernatural influence.

"After winning three games while wearing the chain, Dan began to think it had been charmed."

To protect with, or make invulnerable by, spells, charms, or supernatural influences.

"She led a charmed life."