impressionable

/ɪmˈprɛʃənəbəl/
adjective
  1. Easily influenced or affected by other people or experiences, especially because you are young or lack experience.
    • Children are most impressionable during their early years.
    • The movie had a strong effect on the impressionable teenagers.
    • She was at an impressionable age and looked up to her older sister.
Antonyms