Answer: it's a business buzzword, meaning, roughly, "important". Like most buzzwords, it's mostly useful for aging men in bad suits to chuff their chests, babble, and make vain attempts to impress. This rarely works.
in reply to What is Enterprise Software?
Example of use: "We'll need to concentrate our resources across the board, by utilizing synergy to manage our enterprise software to interface with our B2B and B2C relationship requirements! Can you handle it?!? I'll need it no later than Friday at the latest!!! Wait, make it this Tuesday, I'm golfing on Friday!"