Synonyms for «valid proof»

proper good strong verifiable solid positive appropriate true perfect scientific clear sufficient reasonable legal official necessary successful credible acceptable great actual public legitimate visible ample full final written real convincing absolute reliable important product much high living present formal enough sound available visual new demonstrable rigorous additional experimental satisfactory

verification confirmation evidence validation test fact claim certificate testimony assurance validity documents check argument certification insurance demonstration signatures case statement identity proofreader process account justification theory truth success payment record existence receipt information affirmation concept solution tool approval documentation completion method data knowledge quality identification service way assertion results