Available Definitions:
1) superl. - Having an even surface, or a surface so even that no roughness or points can be perceived by the touch; not rough; as, smooth glass; smooth porcelain.
2) superl. - Evenly spread or arranged; sleek; as, smooth hair.
3) superl. - Gently flowing; moving equably; not ruffled or obstructed; as, a smooth stream.
4) superl. - Flowing or uttered without check, obstruction, or hesitation; not harsh; voluble; even; fluent.
5) superl. - Bland; mild; smoothing; fattering.
6) superl. - Causing no resistance to a body sliding along its surface; frictionless.
7) adv. - Smoothly.
8) n. - The act of making smooth; a stroke which smooths.
9) n. - That which is smooth; the smooth part of anything.
10) a. - To make smooth; to make even on the surface by any means; as, to smooth a board with a plane; to smooth cloth with an iron.
11) a. - To free from obstruction; to make easy.
12) a. - To free from harshness; to make flowing.
13) a. - To palliate; to gloze; as, to smooth over a fault.
14) a. - To give a smooth or calm appearance to.
15) a. - To ease; to regulate.
16) v. i. - To flatter; to use blandishment.