Baretti: A dictionary of the English and Italian languages
Giustificá-re, v. a.
1. to justify, show, prove, make good; 2. to justify, pardon, clear from guilt, bring into a state of grace; 3. to praise as a just person; 4. to protest the truth of a thing; 5. to justify, exculpate; v. r. to exculpate one's self, prove one's innocence; s. m.Giustificá-tóre , f. Giustificá-tríce; adj. Giustificá-nte.
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English