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1. Readily or easily influenced; suggestible: impressionable youths.
2. Capable of receiving an impression: impressionable plaster.

im·pres′sion·a·bil′i·ty n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in classic literature ?
Perhaps what most appealed to the prince's impressionability was the refinement of the old man's courtesy towards him.
On the other hand, the ordering of life according to a premeditated programme diminishes impressionability and prepares the unconscious mind for balanced thought.
She explicitly links this impressionability to optical rays, calling women as "frail" as "the glasses where they view themselves / Which are as easy broke as they make forms" (2.4.124-26).
"greater impressionability and greater suggestibility"
Other factors that affect the robustness of the respondent-carrier function is the biologically relevant circumstance in which the conditioning episode originally occurred, such as the age and impressionability of the individual, and all the other variables that have been shown to affect the susceptibility to, and robustness of, classical conditioning effects.
for example, has cited the greater moral impressionability of young
Young people of a certain social status are generally more susceptible to recruitment attempts or other violent approaches by gangs precisely because of the characteristics that set them apart in society, such as their young age, impressionability, dependency, poverty and lack of parental guidance...thus, an age-based identification of a particular social group, combined with social status, could be relevant concerning applicants who have refused to join gangs.
at 142-43 (Souter, J., dissenting) (emphasizing "the particular impressionability of schoolchildren" and calling for "special protection...
Nordau senala que "the impressionability of the nerve and brain in the degenerate subject is blunted.
(6-7) Through Leonowens' characterization, the intellectual and somatic being of the Siamese citizen is defined by its impressionability and fluidity.
Yet this is the company he kept for what were his most productive and successful years--years when, under the guise of his various alter egos (Peter Martin, Sal Paradise, etc.), Kerouac feigned impressionability, his fictionalized selves shambling with childlike curiosity after one countercultural dynamo or another, thereupon to record their antics as something vitally American.