smoother
adjective
Definitions
Having a texture that lacks friction. Not rough.
Without difficulty, problems, or unexpected consequences or incidents.
Example: We hope for a smooth transition to the new system.
Bland; glib.
Flowing or uttered without check, obstruction, or hesitation; not harsh; fluent.
noun
Definitions
One who, or that which, smooths.
In glass-cutting, an abrading-wheel for polishing the aces of the grooves cut by another wheel.
A flatterer.