effectivity

Plural: effectivities

Noun

• power to be effective; the quality of being able to bring about an effect
• The ability or power to be effective.
• A measure of the effectiveness of something.
• [Technical documentation] An indication of the product, procedure, or timescale for which an item of information is applicable or effective.

Synonyms

effectiveness, effectuality, effectualness

Antonyms

ineffectiveness

Related Words

effect, effective, effectively, effectiveness, effector, effectual, effectuate, efficacious, efficacity, efficacy, efficiency, efficient