(noun) a wise person, one who uses reason and has experience (see Molina); or (verb), to exercise reason and prudence and to make gestures with one's hands and face (see Karttunen and Molina); or (adjective), prudent, experienced
In Tlaxcalan usage, this came to mean "established," or in effect "wealthy."
In Culhuacan, we see it to mean "to be acquainted with" (familiar with) something.
Can mean: "they are experienced."
auh amo cenca nixtlamati yn onpa mani huehuetlalli = I am not well acquainted with where the patrimonial lands are there. (Culhuacan, 1580)
Xomolli, tlayoualli ticmotoctia. Inin tlatolli, itechpa mitoaya: in iquac aca ixtlamati, anozo mozcaliani, iximacho pilli, anozo tecutli: auh zatepan quipoloa in imauizyo. = You hide yourself in a corner, in the dark. This was said when some able person, perhaps an experienced and renowned noble or official, lost his good name.
in jquac ie ixtlamatia = when they had already reached the age of discretion (central Mexico, sixteenth century)
in quenjn tenanoan, tetaoan, qujnnetoltiaia in oqujchpipiltotonti, in cioapipiltotonti: injc calmecac nemjzque, in jquac ie qualtoton, in ie achi ixtlamati = how the mothers [and] the fathers promised that the boys [and] the girls would live in the calmecac when they were already partly grown, already somewhat experienced (central Mexico, sixteenth century)
nixtlamati = I am wise (central Mexico, sixteenth century)