EFFECTIVITY

effectiveness, effectivity, effectualness, effectuality

(noun) power to be effective; the quality of being able to bring about an effect

Source: WordNet® 3.1

Etymology

Noun

effectivity (countable and uncountable, plural effectivities)

(uncountable) The ability or power to be effective.

(countable) A measure of the effectiveness of something.

(countable) [Technical documentation] An indication of the product, procedure, or timescale for which an item of information is applicable or effective.

Source: Wiktionary

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