'excitableness' definitions:

Definition of 'excitableness'

(from WordNet)
noun
Being easily excited [syn: excitability, excitableness, volatility]

Definition of 'excitableness'

From: GCIDE
  • excitableness \excitableness\ n. being easily excited.
  • Syn: excitability, volatility. [WordNet 1.5]