Baretti: A dictionary of the English and Italian languages
Véro, s. m. truth, verity. A dirvi il —, to tell you the truth. Voi dite il —, you are in the right. Dite il —, speak the truth. Salvo il —,saving the truth. Conforme al —, conformable to the truth. Ogni — non è ben detto,the truth is not to be spoken at all times. In —, verily, truly, in truth, indeed. — non ne so nulla, verily, I know nothing of it. Da —, in earnest, indeed. Vi parlo da —,I speak in earnest. Nel —, verily, truly, in truth, indeed. Nel — io non so che mi fare,verily, I don't know what I shall do.
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English
vero: true, sooth, right. Also truth or verity. Also vncorrupted, right or vufained.