be, feel, look | become | wear sth
The steps had been worn smooth by the thousands of passing feet.

beautifully, exceptionally, extremely, really, very
her beautifully smooth complexion

completely, perfectly | almost | fairly, quite | deceptively
the deceptively smooth surface of the glacier

be, feel, look, seem | become

extremely, incredibly, really, remarkably, very
The project got off to a remarkably smooth start.

completely | not entirely
The process of negotiation was not entirely smooth.

almost | fairly, quite, reasonably, relatively
a fairly smooth transition to democracy

carefully, gently
She smoothed his hair gently.

back, down, out
Her mother smoothed back Alice''s hair. | Use an iron to smooth out any creases.