The ability of a machine to adjust to external influences.(noun)
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Use "responsiveness" in a sentence
"Its interface and responsiveness is much better than Netvibes."
"To demonize this responsiveness is to truncate our sensibility, our humanity."
"In spreading its assets along the curve, CORN avoids the outsized effects of contango on the front end of the curve, but also dampens short-term responsiveness to the spot price."