Smooth - (Webster's 1828 Dictionary)
SMOOTH, a. [L. mitis.]
1. Having an even surface, or a surface so even that no roughness or points are perceptible to the touch; not rough; as smooth glass; smooth porcelain. The out lines must be smooth, imperceptible to the touch.
2. To free from obstruction; to make easy. Thou, Abelard, the last sad office pay, And smooth my passage to the realms of day.
3. To free from harshness; to make flowing. In their motions harmony divine so smooths her charming tones.'
4. To palliate; to soften; as, to smooth a fault.
5. To calm; to mollify; to allay. Each perturbation smooth'd with outward calm.
6. To ease. The difficulty smoothed.
7. To flatter; to soften with blandishments. Because I cannot flatter and look fair, smile in men's faces, smooth, deceive and coy.