smooth a path

: having a continuous even surface

: being the representation of a function with a continuous first derivative

: having or being a short even coat of hair — compare rough, wirehaired

: to make smooth

: to free from what is harsh or disagreeable : polish

: soothe

: a smooth part

: the act of smoothing

: a smoothing implement

: a trodden way

: a track specially constructed for a particular use

: course, route

: pathological state : disease

: practitioner of a (specified) system of medicine that emphasizes one aspect of disease or its treatment

: one suffering from a disorder (of such a part or system)

: one perceiving