'Impressionable' definitions:

Definition of 'impressionable'

(from WordNet)
adjective
Easily impressed or influenced; "an impressionable youngster"; "an impressionable age"; "a waxy mind" [syn: impressionable, waxy, impressible] [ant: unimpressionable]

Definition of 'Impressionable'

From: GCIDE
  • Impressionable \Im*pres"sion*a*ble\, a. [Cf. F. impressionnable.] Liable or subject to impression; capable of being molded; susceptible; impressible; as, a bad influence on impressionable youths. [1913 Webster]
  • He was too impressionable; he had too much of the temperament of genius. --Motley. [1913 Webster]
  • A pretty face and an impressionable disposition. --T. Hook. [1913 Webster]