valid

1. Well grounded in logic or truth or having legal force (synset 302508521)
   "a valid inference"; "a valid argument"; "a valid contract"
   also:

   • legitimate - of marriages and offspring; recognized as lawful
   • reasonable, sensible - showing reason or sound judgment
   similar to:

   • binding - executed with proper legal authority
   • effectual, legal, sound - having legal efficacy or force
   • legitimate, logical - based on known statements or events or conditions
   • reasoned, sound, well-grounded - logically valid
   • validated - declared or made legally valid
2. Still legally acceptable (synset 300941928)
   "the license is still valid"
   similar to: unexpired - not having come to an end or been terminated by passage of time

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