A convincing argument; a convincing manner.
Won in convincing fashion.
Our convincing evidence was sufficient in the end to convince the judge.
That would have been more convincing if you hadn't been so willing at first.
Good luck in convincing Quinn!
She tried to sound convincing, but her voice faltered.
Her words didn't sound convincing even to her own ears.
Jonathan was doing a surprisingly convincing job on his part.