The Collaborative International Dictionary of English v.0.48:
Susceptibility \Sus*cep`ti*bil"i*ty\, n.; pl.
Susceptibilities. [Cf. F. susceptibilit['e].]
1. The state or quality of being susceptible; the capability
of receiving impressions, or of being affected.
2. Specifically, capacity for deep feeling or emotional
excitement; sensibility, in its broadest acceptation;
Magnetic susceptibility (Physics), the intensity of
magnetization of a body placed in a uniform megnetic field
of unit strength. --Sir W. Thomson.
Syn: Capability; sensibility; feeling; emotion.