Wonderfully; very, in a great degree. A vulgarism.
Everything in New York on a May-day looks amazin' different, and smells amazin' different, I can tell you.--Maj. Downing, p. 13.
·adj Causing amazement; very wonderful; as, amazing grace. II. Amazing ·p.pr. & ·vb.n. of <<Amaze>>...
Webster's Dictionary of the English Language