to look at a situation with doubt, that you do not believe it to be that way (see Molina)
Alonso de Molina:
matimoma. mirar que no pienses, ser ello asi. &c. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 53r. col. 1. Thanks to Joe Campbell for providing the transcription.