Origin: Germanic Old English suffix
Responsiveness has 3 different meanings across 1 category:
responsive to stimulation
"The new sensors on the robotic arm showed excellent responsiveness to slight changes in pressure, allowing it to grip fragile eggs without crushing them."
the quality of being responsive; reacting quickly; as a quality of people, it involves responding with emotion to people and events
"Her remarkable responsiveness was evident in how she immediately hugged her friend upon hearing about their loss."
The quality or state of being responsive.
"The new app's impressive responsiveness made it feel instant even when loading heavy graphics."