profound (has deep knowledge, an expert) and informed (see Molina)
IPAspelling:
mihmɑtki
Alonso de Molina:
mimatqui. sabio cuerdo y avisado. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 56v. col. 1. Thanks to Joe Campbell for providing the transcription.