Exact Match:
- efficacious
- marked by qualities giving the power to produce an intended effect; "written propaganda is less efficacious than the habits and prejudices...of the readers"-Aldous Huxley; "the medicine is efficacious in stopping a cough"
Synonyms:
- able,
- active,
- adequate,
- authoritative,
- capable,
- charismatic,
- charming,
- competent,
- consequential,
- effective,
- effectual,
- efficient,
- enchanting,
- equal to,
- estimable,
- functional,
- go,
- important,
- influential,
- magnetic,
- momentous,
- operational,
- operative,
- personable,
- persuasive,
- potent,
- powerful,
- practical,
- prestigious,
- productive,
- proficient,
- puissant,
- reputable,
- serviceable,
- strong,
- suasive,
- substantial,
- successful,
- telling,
- up to,
- useful,
- virtuous,
- weighty,
- winning