Definitions

1. noun

A person, thing, or idea that convinces someone

“The keynote speaker was the convincer in the debate, swaying the audience to their side.”

2. noun

A piece of evidence or argument that convinces someone

“The new study was a convincer for the company to change their policies regarding environmental protection.”

3. verb

To persuade or convince someone

“The salesperson tried to convincer the customer to buy the more expensive model.”