Smooth
lacking obstructions or difficulties
Synonyms
agreeable, Bland, equable, Flat, flowing, fluent, fluid, glassy, glib, glossy, hairless, Horizontal, ingratiating, legato, Liquid, Mild, peaceful, Placid, Plain, pleasant, polished, politic, Quiet, regular, shiny, silken, silky, sleek, slick, Soft, soothing, steady, Still, suave, thick, tr