someone who is secure, peaceful, content (see Molina)
Alonso de Molina:
tlacaconemi. persona segura, sosegada y contenta. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 115r. col. 1. Thanks to Joe Campbell for providing the transcription.