This is the 13415th most frequent German word.
belegbar
Provable or demonstrable.
Here, 'belegbar' means that the argument can be proven or justified using evidence.
Das Argument ist mit Fakten belegbar.
The argument can be supported with facts.
In this sentence, 'belegbar' conveys that the room is ready to be occupied or booked.
Dieses Zimmer sollte mit einem Stempel als belegbar markiert werden.
This room should be marked as occupiable with a stamp.
In this context, 'belegbar' denotes the possibility of the theory being validated or not.