n. Function: noun
1 the power to produce an effect FF1C; efficacy of the drug FF1E;
Synonyms: capability, effectiveness, efficiency, potency
Related Words: capableness, productiveness, use; adequacy, capacity, sufficiency
Contrasted Words: ineffectiveness, inefficiency; uselessness, worthlessness
Antonyms: inefficacy
2
Synonyms: EFFICIENCY 1, effectiveness, performance