This abstract consumer facing brand is easy to remember and fun to pronounce. The name is very brandable - could suit multiple companies.
The word "xeesy" contains only five characters and just two syllables. Two-syllable names are extremely rare and extremely sought after. Two syllable names are used by established brands like YouTube, Honda and Sony.
Xeesy.com is a dot-com domain. Dot com is the most desirable domain extension. Owning a dot-com says that you own the word "xeesy" online.