Baretti: A dictionary of the English and Italian languages
Riguardá-re, v. a.
1. to look upon, to see or behold, to stare at, to look fixedly; 2. to look, to face, to front, to be situate against; 3. to look, to mind, to consider, to concern, to regard.— una cosa, to spare, to manage, to save a thing; 4. to have regard or respect to.— ad alcuna cosa, to tend to, to have a direction towards any thing; v. r. 1. to abstain from things hurtful to health; 2. to take care of one's self; 3. to be upon one's guard; s. m.Riguardá-tóre , f. Riguardá-tríce; adj. Riguardá-nte.
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English
riguardare: to regard, to behold, to view, to marke, to beed. Also to respect.