1. easily influenced or affected: "she suddenly was too susceptible to her past” ( jimmy Breslin).
2. likely to be affected: susceptible to colds.
3. especially sensitive; highly impressionable.
4. permitting an action to be performed; capable of undergoing: a statement susceptible of proof; a disease susceptible to treatment.

1. likely to be affected by something
2. easily influenced or tricked; credulous
3. especially sensitive, especially to a stimulus
4. that, when subjected to a specific operation, will yield a specific result
5. A person who is vulnerable to being infected by a certain disease

1. capable of admitting anything additional, or any change, affection, or influence; readily acted upon.
2. capable of impression; having nice sensibility; impressible; tender; sensitive

1. capable of receiving or admitting, or of being affected; capable of being, in some way, passively affected; capable (of); accessible (to): commonly with of before a state and to before an agency: as, susceptible of pain; susceptible to flattery: but of is sometimes used also in the latter case.
2. capable of emotional impression; readily impressed; impressible; sensitive.

1. (often followed by `of' or `to') yielding readily to or capable of
2. easily impressed emotionally