VERBS

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

ADV

beautifully, exceptionally, extremely, really, very
her beautifully smooth complexion
completely, perfectly
almost
fairly, quite
deceptively
the deceptively smooth surface of the glacier

VERBS

be, feel, look, seem
become

ADV

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