N. smoothness, polish, gloss, lubricity, lubrication, down, velvet, velure, silk, satin, velveteen, velour, velours, velumen, glass, ice, slide, bowling green, asphalt, wood pavement, flagstone, flags, roller, steam roller, lawn roller, rolling pin, rolling mill, sand paper, emery paper, emery cloth, sander, flat iron, sad iron, burnisher, turpentine and beeswax, polish, shoe polish, lapidary, lapidary, lapidarian

V. smooth, smoothen, plane, file, mow, shave, level, roll, macadamize, polish, burnish, calender, glaze, iron, hot-press, mangle, lubricate

Adj. smooth, polished, leiodermatous, slick, velutinous, even, level, plane, sleek, glossy, silken, silky, lanate, downy, velvety, glabrous, slippery, glassy, lubricous, oily, soft, unwrinkled, smooth as glass, smooth as ice, smooth as monumental alabaster, smooth as velvet, smooth as oil, slippery as an eel, woolly

Phr. smooth as silk, slippery as coonshit on a pump handle, slippery as a greased pig