Part of speech:
Operative; in effect:
Authoritative is defined as someone who knows a great deal about a certain subject and who is generally considered an expert.
The definition of efficacious is someone or something that successfully produced a result that was desired.
Producing a desired effect, product, etc. with a minimum of effort, expense, or waste; working well
The definition of functional is something that is useful for its intended purpose.
The definition of influential is someone or something that has an impact on or shapes how people act or how things occur.
Exerting or capable of exerting strong influence; cogent:
The definition of successful is accomplishing what you set out to do, or achieving a certain desired status.
Having a beneficial use; serviceable:
Having legal force; effective or binding:
(Obsolete) Lacking self-restraint.
Lacking in vigour or expression.
Having an unfavorable outcome:
(Economics) Adding nothing to exchangeable value.
Unable to perform adequately; incompetent:
Producing or able to produce a desired effect
In conformity with or permitted by law:
Secure or stable:
Serving to bind:
Having ability; able to do things well; skilled; competent
Find another word for effectual. In this page you can discover 28 synonyms, antonyms, idiomatic expressions, and related words for effectual, like: effective, adequate, authoritative, efficacious, efficient, functional, influential, potent, practicable, successful and useful.