Synonyms:
convincingly
Meaning: in a convincing manner; "he argued convincingly"
Usage examples
That one may do too much good (exceed the reasonable limits of good) is convincingly proved by Shakespeare's words and examples.
She would have protested that she had done nothing for them, with a low laugh and a surprised widening of her grey eyes, had anybody told her how convincingly she was remembered on the edge of the snow-line above Sulaco.