afirmar, apostar, assegurar, assertar, asseverar, atestar, certificar, cientificar, comprovar, conferir, confirmar, constatar, corrobar, corroborar, declarar, demonstrar, dizer, garantir, jurar, manifestar, pretender, protestar, provar, reconhecer, testar, testemunhar, testificar, verificar
adjurar, afirmar, apoiar, aprovar, asselar, carimbar, certificar, chancelar, comprovar, confirmar, consoar, corrobar, corroborar, crismar, esforçar, firmar, legalizar, positivar, ratificar, reafirmar, referendar, revalidar, robustecer, sancionar, selar, solidar, validar, verificar
aplaudir, aprovar, autorizar, consagrar, legalizar, placitar, ratificar, revalidar, sancionar, subscrever, validar
alealdar, asselar, confirmar, lealdar, legalizar, legitimar, lidimar, ratificar, revalidar, sancionar, validar