reactiveness

From reactive +‎ -ness.

reactiveness (usually uncountable, plural reactivenesses)

1. The quality or state of being reactive.

• reactivity

• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “reactiveness”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.
• “reactiveness”, in OneLook Dictionary Search.

• creativeness