valid
adjective
[ ˈvalɪd ]
• (of an argument or point) having a sound basis in logic or fact; reasonable or cogent.
• "a valid criticism"
Similar:
well founded,
sound,
well grounded,
reasonable,
rational,
logical,
justifiable,
defensible,
defendable,
supportable,
sustainable,
maintainable,
workable,
arguable,
able to hold water,
plausible,
telling,
viable,
bona fide,
cogent,
effective,
powerful,
convincing,
credible,
believable,
substantial,
forceful,
strong,
weighty,
authoritative,
reliable,
vindicable,
Origin:
late 16th century: from French valide or Latin validus ‘strong’, from valere ‘be strong’.
