Exact Match:
- smoothness
- the quality of being free from errors or interruptions; "the five-speed manual gearbox is smoothness personified"
- the quality of having a level and even surface; "the water was a glassy smoothness"; "the weather system of the Pacific is determined by the uninterrupted smoothness of the ocean"
- a texture without roughness; smooth to the touch; "admiring the slim smoothness of her thighs"; "some artists prefer the smoothness of a board"