Smooth

the act of smoothing

make smooth or smoother, as if by rubbing

make (a surface) shine

free from obstructions

having a surface free from roughness or bumps or ridges or irregularities

smoothly agreeable and courteous with a degree of sophistication

of the margin of a leaf shape

smooth and unconstrained in movement

(music) without breaks between notes

of motion that runs or flows or proceeds without jolts or turbulence

lacking obstructions or difficulties

(of a body of water) free from disturbance by heavy waves