effectivity

American  

[e-fek-tiv-i-tee, ee-, i-fek-] / ˌɛ fɛkˈtɪv ɪ ti, ˌi-, ɪˈfɛk- /

noun

1. the quality of being or level to which something is effective; effectiveness.

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Example Sentences

But, on the other hand, History, the process of culture, finds its perfection and complete effectivity only in the individual; the end of History and Humanity is man, each man, each individual.

From Tragic Sense Of Life by Flitch, J. E. Crawford (John Ernest Crawford)

From these nozzles the streams of water are directed against the face of the gravel to be washed, exercising incredible effectivity.

From Scientific American Supplement, No. 455, September 20, 1884 by Various