Synonyms for smooth

verb

1. To remove unevenness

   even, level, flatten, grade, pave, macadamize, iron, burnish, polish, glaze, varnish, gloss, remove obstruction, remove roughness, sand, clear the way, smooth the path.

   Antonyms wrinkle*, roughen, corrugate.

2. To mollify

   palliate, mellow, mitigate; see decrease 2, ease 2, soften 2.

modified

1. Without bumps

   flat, plane, even, flush, horizontal, unwrinkled, unvarying, level, monotonous, unrelieved, unruffled, mirrorlike, quiet, still, tranquil, sleek, glossy, glassy, lustrous, smooth as glass.

   Antonyms rough*, steep, broken.

2. Without jerks

   uniform, regular, even, invariable, undeviating, steady, stable, fluid, flowing, rhythmic, constant, equable, singsong, continuous.

   Antonyms changeable*, spasmodic, erratic.

3. Without hair

   shaven, beardless, whiskerless, clean-shaven, smooth-faced, smooth-chinned, glabrescent, glabrous; see also bald.

   Antonyms hairy*, bearded, unshaven.

4. Without qualities that are socially disturbing

   suave, mild, genial; see polite 1.

5. Without irritants to the taste

   bland, soft, creamlike; see creamy, delicious 1. See syn. study at easy, level.