Baretti: A dictionary of the English and Italian languages
Stimáre, v. n.
1. to believe, to think, to look upon, to suppose, to reckon, to judge. Stimo che sarà meglio di non partire ancora, I believe it will be better for us not to go yet; 2. to esteem, to value, to have an esteem or value for, to make an account of. Non vi stimo un fico,I do not value you a fig; 3. to estimate, to value, to prize, or rate.
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English
stimare: to esteeme, to value. Also to iudge or suppose. Also to regard or repute.