He had never heard of such a thing but it sounded reasonable.
Described thus simply and quickly, the process sounds reasonable enough.
This sounds reasonable, but we don't have to go on theory.
His voice sounded reasonable, even if what he was saying made no sense at all.
Sounds reasonable, but it would leave us all less safe.
On the surface at least it sounds reasonable to me.
You didn't try to sound reasonable about it, like I would.
Because of my past health, it sounded reasonable to find out more.
You might think that the second answer sounds more reasonable.
Douglas put up his hands and tried to sound reasonable.