1. Well grounded in logic or truth or having legal force
   "a valid inference"; "a valid argument"; "a valid contract" 
2. Still legally acceptable
   "the licence is still valid"

See also: binding, effectual, legal, legitimate, logical, reasonable, reasoned, sensible, sound, unexpired, validated, validity, validly, validness, well-grounded

Antonym: invalid

Encyclopedia: Valid

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