smooth

I had the hint from Holmes that this smooth-faced pawnbroker’s assistant was a formidable man—a man who might play a deep game.

“Thanks, Danglars—that will smooth over all difficulties.

The road was smooth and well paved, now, and the country about was beautiful, so that the travelers rejoiced in leaving the forest far behind, and with it the many dangers they had met in its gloomy shades.

It was a very tall tree, and the trunk was so smooth that no one could climb it; but the Woodman said at once, “I’ll chop it down, and then we can get the Scarecrow’s clothes.”