Etymology

Adjective

1. Having a texture that lacks friction. Not rough.
   • 1. Without difficulty, problems, or unexpected consequences or incidents.

        We hope for a smooth transition to the new system.

     2. bland; glib
        • 1. suave; sophisticated
             • 1. natural; unconstrained
                  • 1. unbroken
                       • 1. placid, calm.
                            • 1. Lacking projections or indentations; not serrated.
                                 • 1. • 1. Not grainy; having an even texture.
                                           • 1. Having a pleasantly rounded flavor; neither rough nor astringent.
                                                • 1. Having derivatives of all finite orders at all points within the function’s domain.
                                                     • 1. Lacking marked aspiration.
                                                          • 
                                                            

                                                            Noun

                                                            
                                                            
                                                            
                                                            1. Something which is smooth or easy.
                                                               • 1. A smoothing action.
                                                                    • 1. A domestic animal having a smooth coat.
                                                                         • 1. A member of an anti-hippie fashion movement in 1970s Britain.
                                                                              • 1. The analysis obtained through a smoothing procedure.
                                                                                   • 
                                                                                     

                                                                                     Verb

                                                                                     
                                                                                     
                                                                                     
                                                                                     1. To make smooth.
                                                                                        • 1. To capture important patterns in the data, while leaving out noise.