What is another word for in efficacy?
Pronunciation: [ɪn ˈɛfɪkəsi] (IPA) 
Efficacy refers to the ability of something to produce a desired result. When discussing efficacy, it can be helpful to have synonyms to convey the same meaning. At times, "in efficacy" can be used to express the level of effectiveness of a product or treatment. Some other synonyms for efficacy could include "effectiveness," "potency," "power," "efficaciousness," "ability," "value," "impact," "merit," and "usefulness." Using different synonyms can help to improve clarity and reduce redundancy in writing and speech, making for more effective communication. When discussing issues of efficacy, utilizing these synonyms can help to add variety and emphasis to your arguments.
