It is not to be expected that posterity will take much interest in him, for his point and meaning are impressional.
The artists, whose minds were probably the most impressional, were his fervent adherents.
late 14c., "mark produced by pressure," also "image produced in the mind or emotions," from Old French impression "print, stamp; a pressing on the mind," from Latin impressionem (nominative impressio) "onset, attack," figuratively "perception," literally "a pressing into," from imprimere (see impress). Meaning "act or process of indenting" is early 15c.; that of "printing of a number of copies" is from 1570s. Meaning "belief, vague notion" (as in under the impression) is from 1610s.
impression im·pres·sion (ĭm-prěsh'ən)
n.
An effect, a feeling, or an image retained as a consequence of experience.
A mark or indentation made by the pressure of one organ on the surface of another.
An imprint of the teeth and surrounding tissues, formed with a plastic material that hardens into a mold for use in making dentures, inlays, or plastic models.