reservedly

"I wish to go somewhere, to be quartered in some country town, where I can live on my pay," he answered reservedly.

The man with the hearty voice spoke Russian, but with a French accent; and another speaker answered him more reservedly.

"George Hale is my name," returned the gentleman, reservedly, and disengaging his fingers from the strong grip of the tall man.

"Nothing a Christian can make head or tail of," returned the servant reservedly.

I spoke reservedly, however, far more reservedly than I felt, because I hadn't yet made my point quite clear to him.