That is an invitation. That is definitely, undeniably an invitation to do a social human thing, and Glacius is just about as thrown off by it as he was the first time someone on this ship extended the invitation to him. He doesn't give much of an outward display of how confusing it is to him, though, and he reminds himself that nothing terribly awkward happened when another human had shown him to one of the bars... and when it comes right down to it, Dorian has proved to be one of the more respectful conversationalists he's had in awhile.

"I... appreciate the offer," he responds, "I will most likely take you up on it, then. The lounge you are speaking of--is it on this floor?"