We've already established the area wasn't a dungeon, but Milton ICly kept stating it was despite every word to the contrary. I dunno man. 

[quote=@Shiny Keldeo]
Well, like I said before. Lilac Meadow isn't technically a Mystery Dungeon, or at least not classified as one.
[/quote]

[quote=@Shiny Keldeo]
The twins were in shock. Lilac Meadow was one of the safest places around the Village, and some Pokemon had taken up root there, and they had Krissy!
[/quote]

[quote=@Shiny Keldeo]
It wasn't long before they reached the usually peaceful and vibrant floral meadow. 
[/quote]

[quote=@Shiny Keldeo]
Meadow because it had an abundance of Lilac Flowers over all others. Usually the kids from the village would play here all the time, but if something had taken root here, it might not be safe anymore.
[/quote]

Peaceful meadow ≠ Mystery Dungeon