effectiveness
(noun)
noun
1. power to be effective; the quality of being able to bring about an effect
Similar word(s): effectivity, effectuality, effectualness
Definition categories: attribute, power, powerfulness
2. capacity to produce strong physiological or chemical effects
Similar word(s): potency, strength
Definition categories: attribute, power, powerfulness
Sentences with effectiveness as a noun:
- The effectiveness of the drug was well established.
- He questioned the effectiveness of the treatment.