lătīnĭtas — Lewis & Short
lătīnĭtas, ātis, f.Latinus.
I Pure Latin style, Latinity:
latinitas est, quae sermonem purum conservat, ab omni vitio remotum. Vitia in sermone, quominus is latinus sit, duo possunt esse: soloecismus et barbarismus, etc.,Auct. Her. 4, 12, 17:
secutus sum non dico Caecilium (malus enim auctor latinitatis est), sed Terentium,Cic. Att. 7, 3, 10.—
II The Latin law, also called jus Latii (v. Latium), Cic. Att. 14, 12:
urbium quasdam foederatas, latinitate vel civitate donavit,Suet. Aug. 47.