Smoothest is the superlative form of the word smooth. The comparative form is smoother.
steadily, slowly, progressively, gently, unhurriedly
more smoothly
smoother, smoothest
willing
more steadily, most steadily
Steadily is an adverb.
She ran slowly, but steadily, and soon finished the race. He wrote steadily for hours.
They always steadily walk.
Steadily is an adverb.
While his injuries were serious, he's steadily improving. It has been snowing steadily for several hours.
Steadily is in a regular and even manner or is in a controlled or unwavering manner.
There is no comparative of get.
The word steadily is the adverb, as it describes the manner in which the lighthouse performed its action, which was to beam the light.
The us center of population has moved steadily to the west
they are not
The adverb is "steadily", as it modifies the verb "rode".