1) утверждать; подтверждать, удостоверять
2) закреплять (победу, успех)
approvare, confermare, sostenere, autenticare, certificare, accertare
negare, disdire, dir di no
"He has achieved success who has worked well, laughed often, and loved much."
"It is better to know some of the questions than all of the answers."
"Honest disagreement is often a good sign of progress."
"This is the most joyful day that ever I saw in my pilgrimage on earth."