smoother

Having a texture that lacks friction. Not rough.

Without difficulty, problems, or unexpected consequences or incidents.

“We hope for a smooth transition to the new system.”

Bland; glib.

Flowing or uttered without check, obstruction, or hesitation; not harsh; fluent.

(of a person) Suave; sophisticated.

(of an action) Natural; unconstrained.

(of a motion) Unbroken.

(chiefly of water) Placid, calm.

(of an edge) Lacking projections or indentations; not serrated.

(of food or drink) Not grainy; having an even texture.

(of a beverage) Having a pleasantly rounded flavor; neither rough nor astringent.

(of a function) Having derivatives of all finite orders at all points within the function’s domain.

(of a number) That factors completely into small prime numbers.

(of a vowel) Lacking marked aspiration.

(of muscles) Involuntary and non-striated.

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.