Definition of impressing:
(v) :
(transitive) To affect (someone) strongly and often favourably.
(v) :
(intransitive) To make an impression, to be impressive.
(v) :
(transitive) To produce a vivid impression of (something).
(v) :
To produce (a mark, stamp, image, etc.); to imprint (a mark or figure upon something).
(v) :
(figurative) To fix deeply in the mind; to present forcibly to the attention, etc.; to imprint; to inculcate.
(v) :
(transitive) To mark or stamp (something) using pressure.