noun
1. responsive to stimulation (Freq. 2)
• Syn: ↑reactivity
• Derivationally related forms: ↑reactive (for: ↑reactivity)
• Hypernyms: ↑sensitivity, ↑sensitiveness, ↑sensibility
• Hyponyms: ↑excitability, ↑irritability
2. the quality of being responsive; reacting quickly; as a quality of people, it involves responding with emotion to people and events
• Ant: ↑unresponsiveness
• Derivationally related forms: ↑responsive
• Hypernyms: ↑quality
Useful english dictionary. 2012.