valid

adjectives

well grounded in logic or truth or having legal force
"a valid inference"; "a valid argument"; "a valid contract"
valid
is derived from
validness
is derived from
validity
antonym
invalid
is similar to
executed with proper legal authority
"a binding contract"
binding
is similar to
having legal efficacy or force
"a sound title to the property"
effectual, legal, sound
is similar to
based on known statements or events or conditions
"rain was a logical expectation, given the time of year"
legitimate, logical
is similar to
logically valid
"a sound argument"
reasoned, sound, well-grounded
is similar to
declared or made legally valid
"a validated claim"
validated
see also
of marriages and offspring; recognized as lawful
legitimate
see also
showing reason or sound judgment
"a sensible choice"; "a sensible person"
reasonable, sensible
still legally acceptable
"the license is still valid"
valid
is derived from
validness
is derived from
validity
is similar to
not having come to an end or been terminated by passage of time
"elected to fill the senator's unexpired term"; "an unexpired driver's license"
unexpired