Easily influenced or affected: “She suddenly was too susceptible to her past”(Jimmy Breslin).
Likely to be affected: susceptible to colds.
Especially sensitive; highly impressionable.
Permitting an action to be performed; capable of undergoing: a statement susceptible of proof; a disease susceptible to treatment.
Origin: Late Latin susceptibilis, from Latin susceptus, past participle of suscipere, to receive : sub-, from below; see sub- + capere, to take; see kap- in Indo-European roots.