emperize
/ɛmˈpɛrɪz/Definitions
1. verb
to make or declare someone an emperor; to give imperial power or authority to someone
“The king emperized his son, making him the ruler of the empire.”
2. verb
to act like or pretend to be an emperor; to behave with pomp and grandeur
“The actor emperized the stage, commanding the audience’s attention with his regal presence.”