Word Study
effervescive |
effet |
effete |
efficacious |
efficaciously |
efficaciousness
| efficacity
| efficacy
| efficience
| efficiency
| efficiency apartment
efficaciousness
WORDNET DICTIONARY
Noun efficaciousness has 1 sense
- efficaciousness(n = noun.attribute) efficacy - capacity or power to produce a desired effect; "concern about the safety and efficacy of the vaccine" is a kind of effectiveness, effectivity, effectuality, effectualness
Derived forms adjective efficacious2, adjective efficacious1
CIDE DICTIONARY
efficaciousness, n.
the capacity or power to produce a desired effect. [WordNet 1.5]
For further exploring for "efficaciousness" in Webster Dictionary Online
