Principal English Translation:
possibility; faculty, ability, power, or authority to do something
Alonso de Molina:
uelitiliztli. posibilidad, facultad, poder y autoridad para hazer algo.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 156r. col. 2. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
HUELITILIZ-TLI possibility; power and authority to do something / posibilidad, facultad, poder y autoridad para hacer algo (M) [(1)Tp.110]. See HUELITI.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 86.
Attestations from sources in English:
tlanahuatilli huelitiliztli licẽcia audiencia real = an order of permission of the Royal Audiencia (central Mexico, 1612)
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), 226–227.
mohuelitzin = your power (i.e. permission).
Robert Haskett and Stephanie Wood's notes from Nahuatl sessions with James Lockhart and subsequent research.
tohuelitiliz = our power
Byron McAfee, translation of the Techialoyan manuscript from Santa Mara Zolotepec or Ocelotepec; University of California, Los Angeles, Special Collections
Attestations from sources in Spanish:
nicpie huelitilistl[i] onechm[o]maquili tutlatucatzin virrein su magestad = tengo los recaudos y mercedes qe se me hicieron en nombre de su majestad (San Francisco Temascalapan, Edo de México, 1598)
Vidas y bienes olvidados: Testamentos indígenas novohispanos, vol. 2, Testamentos en náhuatl y castellano del siglo XVI, eds., Teresa Rojas Rabiela, Elsa Leticia Rea López, Constantino Medina Lima (Mexico: Consejo Nacional de Ciencias Tecnología, 1999), 308–309.