a. [ L. excitabilis inciting: cf. F. excitable. ] Capable of being excited, or roused into action; susceptible of excitement; easily stirred up, or stimulated. [ 1913 Webster ]
n. being easily excited.
a. [ L. inexcitabilis from which one cannot be aroused. See In- not, and Excite. ] Not susceptible of excitement; dull; lifeless; torpid. [ 1913 Webster ]