IPA: /ɪˈfɛktɪvɪti/
KK: /ɪˈfɛktɪvɪti/
The ability or power to produce a desired result or effect.
The effectivity of the new policy was evident in the improved performance of the team.
Effectivity → It is formed from "effect" (from Latin "effectus", meaning accomplishment or result) and the suffix "-ity" (meaning the state or quality of). The word "effectivity" refers to the state of being effective or the quality of producing a desired result.
Think of 'effect' as the result of an action, and '-ity' as the quality of that result. This helps you remember that 'effectivity' means the quality of being effective.