'Responsiveness' definitions:

Definition of 'responsiveness'

From: WordNet
noun
Responsive to stimulation [syn: responsiveness, reactivity]
noun
The quality of being responsive; reacting quickly; as a quality of people, it involves responding with emotion to people and events [ant: deadness, unresponsiveness]

Definition of 'Responsiveness'

From: GCIDE
  • Responsive \Re*spon"sive\ (-s?v), a. [Cf. F. resposif.]
  • 1. That responds; ready or inclined to respond. [1913 Webster]
  • 2. Suited to something else; correspondent. [1913 Webster]
  • The vocal lay responsive to the strings. --Pope. [1913 Webster]
  • 3. Responsible. [Obs.] --Jer. Taylor. [1913 Webster] -- {Re*spon"sive*ly}, adv. -- {Re*spon"sive*ness}, n. [1913 Webster]