| noun | a texture without roughness; smooth to the touch “admiring the slim smoothness of her thighs” |
| noun | powerful and effective language “his eloquence attracted a large congregation” |
| noun | the quality of being bland and gracious or ingratiating in manner |
| noun | the quality of having a level and even surface “the water was a glassy smoothness” |
| noun | the quality of being free from errors or interruptions “the five-speed manual gearbox is smoothness personified” |
| smooth | adjective | having a surface free from roughness or bumps or ridges or irregularities |
| eloquent | adjective | expressing yourself readily, clearly, effectively |
| fluent | adjective | expressing yourself readily, clearly, effectively |
| suave | adjective | smoothly agreeable and courteous with a degree of sophistication |
| bland | adjective | smoothly agreeable and courteous with a degree of sophistication |