Baretti: A dictionary of the English and Italian languages
Riten-ére, v. a. (V. tenere,)
1. to retain, detain, keep again; 2. to keep, detain, stay, stop.Com'egli voleva partire lo ritenni, as he was going away I stopped him; 3. to forbear, refrain, keep from. Appena posso — le lagrime,I can hardly refrain from tears; 4. to retain, keep, preserve; 5. to keep, detain, withhold.Riterrò questo per me, I shall keep this for myself; 6. to restrain, curb, bridle, keep in, contain; 7. to forbear, abstain from doing. — in vita, to keep alive; 8. to remember, keep in one's memory. — una cosa, to keep a thing secret, not to reveal it; 9. to accept again. — il dono, to accept of a present; 10. to entertain, keep. In ragionamenti piacevoli li ritenne,he entertained them with pleasant stories; 11.to govern, rule, take care of; v. n. & r. — con alcuno, to keep company with a person, be intimate with him; s. m. Riten-itóre, f. Riten-itríce.
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English
ritenere: to retaine, to detaine, to with-hold. Also to keepe in remembrance. Also to hold one vp that he fall not.