Open English Wordnet
Nouns
(n)impression, effectan outward appearance“he made a good impression”, “I wanted to create an impression of success”, “she retained that bold effect in her reproductions of the original painting”
(n)mental picture, picture, impressiona clear and telling mental image“he described his mental picture of his assailant”, “he had no clear picture of himself or his world”, “the events left a permanent impression in his mind”
(n)depression, impression, imprinta concavity in a surface produced by pressing“he left the impression of his fingers in the soft mud”
(n)stamp, impressiona symbol that is the result of printing or engraving“he put his stamp on the envelope”
(n)impression, printingall the copies of a work printed at one time“they ran off an initial printing of 2000 copies”
(n)impression(dentistry) an imprint of the teeth and gums in wax or plaster“the dentist took an impression for use in preparing an inlay”
(n)impressionthe act of pressing one thing on or into the surface of another“he watched the impression of the seal on the hot wax”