effectiveness
noun
[ ɪˈfɛktɪvnəs ]
• the degree to which something is successful in producing a desired result; success.
• "the effectiveness of the treatment"
Similar:
success,
successfulness,
efficacy,
productiveness,
fruitfulness,
potency,
power,
benefit,
advantage,
value,
virtue,
use,
usefulness,
effectuality,
constructiveness,
