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to be worthy of something (see Molina)

at the fiesta, celebration (see Karttunen)

to celebrate or feast in honor of a saint (see Molina)

to be deserving of something, to be worthy

Susanne Klaus, Uprooted Christianity: The Preaching of the Christian Doctrine in Mexico, Based on Franciscan Sermons of the 16th Century Written in Nahuatl (Bonn: Bonner Amerikanistische Studien e. V. c/o Seminar für Völkerkunde, Universität Bonn, 1999), 250.

a past celebrated holiday or feast (see Molina)

a religious holiday that is observed, a day that is "kept" (see Molina)

the festival is observed
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), 68–69.

to celebrate a festival day; could involve human sacrifice/offerings (sixteenth century, Quauhtinchan)
Historia Tolteca-Chichimeca, eds. Paul Kirchhoff, Lina Odena Güemes, y Luis Reyes García (México: CISINAH, INAH-SEP, 1976), 185.