smoothness

"admiring the slim smoothness of her thighs"; "some artists prefer the smoothness of a board";

"his eloquence attracted a large congregation"; "fluency in spoken and written English is essential"; "his oily smoothness concealed his guilt from the police";

"the water was a glassy smoothness"; "the weather system of the Pacific is determined by the uninterrupted smoothness of the ocean";

"the five-speed manual gearbox is smoothness personified";