a/one step ahead of

: a rest for the foot in ascending or descending: such as

: one of a series of structures consisting of a riser and a tread

: a ladder rung

: to move by raising the foot and bringing it down elsewhere or by moving each foot in succession

: dance

: to go on foot : walk

: related by virtue of a remarriage (as of a parent) and not by blood

: in a forward direction or position : forward

: in front

: in, into, or for the future