Literally if you consider the executions (and possibly assassinations) that took place. That particular meaning is actually my favorite — certainly it's the most powerful undercurrent about the word revolution in this context. It became a war between the priests of Amun and Pharaoh and his supporters. Perhaps not with arrows and swords, but a war, nonetheless, for control of the country. In fact, one theory is that Akhenaten wasn't a mystic dreamer, but a cold political realist who started his new religion in a calculated attempt to curb the ever increasing power of the priesthood of Amun and bring the control back into Pharaoh's hands.

If nothing else, as Hap points out, the banishment of the gods was certainly revolutionary thinking. And the image of the sun revolving (as they must have believed since their explanation was that Re drove his barque across the sky) lends the aspect of the passage of days, the changing thoughts, the shifting of political power. I just like the triple entendre of it. Then, again, I'm a sucker for plays on words. *g*