gain upon (?.)
- accost
- advance
- approach
- appropinquate
- approximate
- bear down on
- bear down upon
- bear up
- catch up with
- close
- close in
- close with
- come
- come closer
- come forward
- come near
- come on
- come up
- come up to
- come up with
- confront
- draw near
- draw nigh
- encounter
- gain on
- lap
- leave behind
- leave standing
- narrow the gap
- near
- outpace
- outrun
- outsail
- outstrip
- overhaul
- overtake
- pass
- proximate
- sidle up to
- step up