effectiveness

US /əˈfek.tɪv.nəs/
UK /əˈfek.tɪv.nəs/
"effectiveness" picture
1.

the degree to which something is successful in producing a desired result; success

:
•
The effectiveness of the new policy is still being evaluated.
•
We need to improve the effectiveness of our marketing campaigns.
:
efficacypotencypowerstrengthsuccess
:
effectiveeffecteffectivelyin effectto no effectto that effectgreenhouse effect