valid

Properly supported, binding

Valid means sound, well-grounded, or legally binding.

A valid argument follows logical rules.

A valid passport hasn't expired and will be accepted by authorities.

A valid point deserves consideration.

Valid criticism has merit.

In computing, valid input meets required format specifications: Please enter a valid email address.

The opposite is invalid.

measurement

accurate

Conforming to fact

repeatable · reliable · standardized · consistent · error-free · verified · controlled · normalized · benchmarked · tested

legal

admissible

Allowed to be considered

legitimate · statutory · constitutional · compliant · authorized · certified · notarized · ratified · executed · jurisdictional

credible

believable

Able to convince

reliable · substantiated · corroborated · verifiable · factual · authentic · genuine · confirmed · documented · evidence-based

logical

sound

Audible wave phenomenon

  • cogentClearly logical and convincing
  • reasonedDerived through careful thought
  • coherentLogically connected throughout

consistent · deductive · syllogistic · inferential · premise · conclusion · rigorous · systematic · analytical · rational

acceptable

reasonable

Showing sound judgment

passable · agreeable · appropriate · fair · decent · justifiable · warranted · tolerable · suitable · proper

technical

authenticated

Confirmed as legitimate

enabled · verified · formatted · well-formed · executable · signed · encrypted · tokenized · timestamped · checksum

Categories
Opposites
logical soundness

validinvalid

Without legal force

fallacious · illogical · unsound · specious · sophistic

legal/official status

validinvalid

Without legal force

void · null · null and void · illegitimate · unofficial

factual legitimacy

validunfounded

Without factual support

baseless · groundless · false · untrue · wrong

Phrases
Family

value, valuable, values, invalid, valor, valiant, invaluable, validate, invalidate

Familiarity
Top 10,000
Profile
Known to kids · Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G