Having sufficient strength or force; founded in truth; capable of being justified, defended, or supported; not weak or defective; sound; good; efficacious; as, a valid argument; a valid objection.
Having legal strength or force; executed with the proper formalities; incapable of being rightfully overthrown or set aside; as, a valid deed; a valid covenant; a valid instrument of any kind; a valid claim or title; a valid marriage.
The common question that gets asked in business is, 'why?' That's a good question, but an equally valid question is, 'why not?' Jeff Bezos
No work or love will flourish out of guilt, fear, or hollowness of heart, just as no valid plans for the future can be made by those who have no capacity for living now. Alan Watts
In order to govern, the question is not to follow out a more or less valid theory but to build with whatever materials are at hand. The inevitable must be accepted and turned to advantage. Napoleon Bonaparte
No valid plans for the future can be made by those who have no capacity for living now. Alan Watts
The only valid censorship of ideas is the right of people not to listen. Tommy Smothers
valid in Danish is gyldig
valid in Dutch is gangbaar, geldig, geldend, vigerend
valid in French is valable
valid in Hungarian is indokolt, megalapozott
valid in Italian is valevole
valid in Norwegian is gyldig