گزارش خطا در معنی کلمه 'متقن'

1 general:: solid

2 general:: sound

3 Law:: of facts, information, evidence, argument, statement, reasoning – well-established; established; solid (a solid argumenta : well-founded, valid, sound, reasonable, logical, authoritative, convincing, cogent, plausible, credible, reliable, concrete, weighty, proved, provable, sensible, rational, indisputable, incontrovertible, irrefutable, incontestable, good, powerful, forceful, persuasive