For general magnificence:
* Nani loaʻa (literally "beautiful abundance")
* Nani kupaianaha (literally "beautiful and wondrous")
* Maikaʻi loa (literally "very good")
* Uʻi loa (literally "very beautiful")
For magnificence related to beauty:
* Nani loaʻa (beautiful abundance)
* Uʻi loa (very beautiful)
* Nani maikaʻi (beautiful and good)
For magnificence related to power or grandeur:
* Mana nui (great power or strength)
* ʻOihana nui (great work or achievement)
* Makamae loa (very precious)
For magnificence related to awe-inspiring nature:
* Nani kupaianaha (beautiful and wondrous)
* Aloha ʻāina (love of the land)
* Aumakua (deity or ancestor)
Ultimately, the best translation will depend on the specific context and the nuance you want to express.
Remember that Hawaiian is a rich language with many ways to express the same idea. It's always best to consider the full context when choosing the most appropriate translation.