See an image that represents tlamatini in the Visual Lexicon of Aztec Hieroglyphs, ed. Stephanie Wood (Eugene, Ore.: Wired Humanities, 2020-present).
in tlamatini tlauilli ocutl, tomaoac ocutl apocio, tezteatl, coiaoac tezcatl, necoc xapo, tlile, tlapale, amuxoa, amoxe, tlilli, tlapalli, utli, teiacanqui, tlanelo, teuicani, tlauicani, tlaiacanqui = The wise man [is] exemplary. He possesses writings; he owns books. [He is] the tradition, the road; a leader of men, a rower, a companion, a bearer of responsibility, a guide. (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 10 -- The People, No. 14, Part 11, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1961), 29.
yn ipan 3. calli xihuitl. 1573. años. yn ohualla mexico. tenochtitlan yn tlacatl huehue Don Antonio. valleriano. tlamatini momachtiani Juez gouernador. = in the year 3 House, 1573, that the lord don Antonio Valeriano the elder, sage and scholar, came to Mexico Tenochtitlan appointed judge-governor in Tenochtitlan (1608, Central Mexico)
Annals of His Time: Don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, James Lockhart, Susan Schroeder, and Doris Namala, eds. and transl. (Stanford: Stanford University Press, 2006), 140–141.
Don Antonio valeriano... amo pilli çan momachtiani tlamatini yn itechpa Latin tlahtolli ynin ymontzin yn tlacatl Don diego huanitzin = don Antonio Valeriano... not a nobleman but a scholar learned in the Latin language. He was a son-in-law of the lord don Diego Huanitzin. (central Mexico, early seventeenth century)
Codex Chimalpahin: Society and Politics in Mexico Tenochtitlan, Tlatelolco, Culhuacan, and Other Nahuatl Altepetl in Central Mexico; The Nahuatl and Spanish Annals and Accounts Collected and Recorded by don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, eds. and transl. Arthur J. O. Anderson and Susan Schroeder (Norman: University of Oklahoma Press, 1997), vol. 1, 176–177.
tlamatini = 'one who knows things' -- Fernando Alvarado Tezozomoc described don Antonio Valeriano as a tlamatini; Valeriano is a scholar named in Sahagún's work and also appears in the list of students mentioned in fray Juan Bautista's 1606 Sermonario.
Louise M. Burkhart, Holy Wednesday: A Nahua Drama from Early Colonial Mexico (Philadelphia: University of Pennsylvania Press, 1996), 68–69.
yhuan oquihtoq̃. yn tlamatinime in Astrologos.me. oquinezcayoti ynic no yhuan ypampa yn iuh omochihuin. ce ciudad. huey altepetl polihuiz = And the wise men and astrologers said that also because this happened it was a sign that a city, a great altepetl will perish (central Mexico, 1611)
Annals of His Time: Don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, James Lockhart, Susan Schroeder, and Doris Namala, eds. and transl. (Stanford: Stanford University Press, 2006), 184–5.
Auh xicmocujtlavi in tlilli, in tlapalli, in amuxtli, in tlacujlolli: intloc innaoac ximocalaquj in iolizmatque, in tlamatinj = And take care [to understand] the writings, the books, the paintings. Enter with the prudent, the wise (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 6 -- Rhetoric and Moral Philosophy, No. 14, Part 7, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1961), 215.
Nican umpeua y çaçanillatolli yn quitlali ce tlamatini ytoca Esopo: yc techmachtia yn nematcanemiliztli = Here begin the fables set down by the sage called Aesop to teach us to live an orderly life. (sixteenth century, central Mexico)
Aesop in Mexico: A 16th Century Aztec Version of Aesop's Fables; text with German and English translation, eds. Gerdt Kutscher, Gordon Brotherston, Günter Vollmer (Berlin: Gebr. Mann, 1987), 57.