Readily or easily influenced; suggestible: impressionable young people. (adjective)
Capable of receiving an impression; plastic: impressionable plaster. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "impressionable" in a sentence
"But common experience proves that, in impressionable persons, the activity of nerves and imagination stimulated by works of art has the possessive and unopposable force of a dream, and controls the physical organism, sometimes with quite inaesthetic consequences."
"But there are people to whom these questions seem of such first importance, that to be with them when you are young and impressionable, is to feel every defect in your own personal appearance to be a crime, and to believe that there is neither worth, nor love, nor happiness (no life, in fact, worth living for) connected with much less than ten thousand a year, and 'connections.'"
"Even just after they develop their adult brains, they are highly impressionable, which is why confirmations and bar mitzvahs etc are all held at about that time."