Legally valid; having proper legal form; possessing legal force.

Legally valid or effective.

in Law. Valid.

Possessing might or power; powerful, potent, strong. Frequently rhetorical, connoting a pre-eminent… Of a legal document: valid, binding. Obsolete.

Having legal force. Of a document: executed in compliance with the law, valid. Also figurative and in figurative contexts. Obsolete.

Legally valid or established. Obsolete.

Legally valid; possessing legal force. Also of a person: legally or duly qualified. Now rare.

Good or adequate in law; possessing legal authority or force; legally binding or efficacious.

Valid, validated.

‘Valid, binding, obligatory’ (Johnson). Obsolete.

Valid, in various senses.