Susceptible

1. a. Capable of impression; having nice sensibility; impressible; tender; sensitive; as, children are more susceptible than adults; a man of a susceptible heart.
2. a. Capable of admitting anything additional, or any change, affection, or influence; readily acted upon; as, a body susceptible of color or of alteration.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.