to enjoy something fully and with great pleasure; to live in happiness (see Molina)
IPAspelling:
sempɑːktiɑ
Alonso de Molina:
cempactia. nic. (pret. oniccempacti.) darse a todo plazer y alegria, o fruir de algo. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 16v. col. 1. Thanks to Joe Campbell for providing the transcription.