Suasion (noun)

1. The act or process of persuading someone to do something.
2. The power or ability to persuade someone to do something.

Origin:

From the latin suadere, meaning "to advise" or "to persuade".

Examples:

1. She used suasion to convince him to change his mind.
2. He was successful in his suasion and got what he wanted.
3. The suasion of the salesman was effective, and the customer bought the product.
4. She used her powers of suasion to negotiate a better deal.
5. The suasion of the teacher helped the student to understand the material.