affirmation, approbation, assurance, authentification, confirmation, continuation, entérinement, garantie, homologation, maintien, moratoire, preuve, prolongation, prorogation, ratification, renaissance, Renouvèlement, renouvellement, renvoi, sursis, validation, vérification
abrogation, annulation, démenti, dissolution, infirmation, négation, rétraction