Persuasive
Part of speech: adjective
Definition: able to persuade; convincing
Example sentence: I am a very persuasive man.
Convincing
Part of speech: adjective
Definition: Effective as proof or evidence.
Part of speech: verb
Definition: To make someone believe, or feel sure about something, especially by using logic, argument or evidence.
Example sentence: I think that's how any actor would make their performance convincing: by bringing an element of themselves into the character.