(adj): used especially of fabrics
(adj): having an even texture
(adj): (of surfaces) conducive to rapid speeds
(adj): having a smooth, fine-grained structure
(adj): resembling glass in smoothness and shininess and slickness
(adj): smooth, especially of skin
(adj): designed or arranged to offer the least resistant to fluid flow
(adj): smooth and soft to sight or hearing or touch or taste
(adj): smoothly agreeable and courteous with a degree of sophistication
(adj): vs. undiplomatic), diplomatical -- (using or marked by tact in dealing with sensitive matters or people
(adj): vs. rough) -- (of the margin of a leaf shape; not broken up into teeth
(adj): (of leaves or petals) having a smooth edge; not broken up into teeth or lobes
(adj): having a slightly undulating margin
(adj): having a strongly waved margin alternately concave and convex
(adj): having a wavy margin and rippled surface
(adj): having no notches
(adj): smooth and unconstrained in movement
(adj): vs. awkward) -- (characterized by beauty of movement, style, form, or execution
(adj): vs. staccato), smooth -- ((music) without breaks between notes; smooth and connected
(adj): vs. rough) -- (of motion that runs or flows or proceeds without jolts or turbulence
(adj): lacking obstructions or difficulties
(adj): vs. difficult) -- (posing no difficulty; requiring little effort
(adj): (of a body of water) free from disturbance by heavy waves
(adj): vs. stormy) -- ((of weather) free from storm or wind
(v): make smooth or smoother, as if by rubbing
(v): undergo or cause to undergo a change in the surface
(v): make (a surface) shine
(v): make more beautiful
(v): free from obstructions
(v): relieve from
(n): the act of smoothing
(n): the action of accomplishing something