Baretti: A dictionary of the English and Italian languages
Sentimént-o, s. m. dim. Sentimént-úzzo,
1. sense, power of feeling; 2. sense, judgment, understanding, knowledge, learning; 3. delicacy, beauty of a thought or sentiment; 4. sentiment, mind, opinion. Io non sono del vostro —, I am not of your opinion or sentiment. Uscir del —,to go out of one's mind, to go mad. Fui per uscir del —, I was ready to go mad.
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English
sentimento: sence, feeling. Also opinion, conceit. Also ataste, a smelling or suspicion. Also spirit, wit or vnderstanding. Also a consenting vnto.