adjurar, afirmar, apoiar, aprovar, asselar, autenticar, carimbar, certificar, chancelar, comprovar, confirmar, corrobar, corroborar, crismar, esforçar, firmar, legalizar, positivar, ratificar, reafirmar, referendar, revalidar, robustecer, sancionar, selar, solidar, validar, verificar
aceirar, acordar, adergar, adjectivar, adjetivar, adregar, afinar, aguisar, ajustar, apalavrar, aprazar, assentar, assinar, capitular, coadunar, combinar, concertar, conciliar, concordar, condizer, consonar, contratar, convencionar, estabelecer, estipular, falar, firmar, justar, negociar, pactear, pactuar, preitejar, tratar, trautar
aconsoantar, rimar