Serving to convince
You're the most persuasive person I've ever met.
Baxter was possessed by an unconquerable belief in the power of persuasive argument.
I'm sure answers might be forthcoming via direct and persuasive questioning.
The name "blarney" has passed into the language to denote a peculiar kind of persuasive eloquence, alleged to be characteristic of the natives of Ireland.
He was educated at the seminary of Quebec, where he developed the gift of declamatory and persuasive oratory.