efficaciously is a form of:

Efficacious



adjective
1.
(effective, fruitful) ដែលសក្ដិសិទ្ធិ, ដែលឆុត, នៃប្រសិទ្ធិភាព
ENGLISH MEANING
noun
1.
Possessing the quality of being effective; productive of, or powerful to produce, the effect intended; as, an efficacious law.