adjurar, afirmar, apoiar, aprovar, autenticar, carimbar, certificar, chancelar, comprovar, confirmar, consoar, corrobar, corroborar, crismar, esforçar, firmar, legalizar, positivar, ratificar, reafirmar, referendar, revalidar, robustecer, sancionar, selar, solidar, validar, verificar
alealdar, autenticar, confirmar, lealdar, legalizar, legitimar, lidimar, ratificar, revalidar, sancionar, validar