narrow the gap (?.)
- accost
- advance
- approach
- appropinquate
- approximate
- bear down on
- bear down upon
- bear up
- center
- centralize
- close
- close in
- close up
- close with
- come
- come closer
- come forward
- come near
- come on
- come together
- come up
- concenter
- concentralize
- concentrate
- confront
- converge
- draw near
- draw nigh
- encounter
- fall in with
- funnel
- gain upon
- intersect
- meet
- near
- nip
- pinch
- proximate
- run together
- sidle up to
- step up
- taper
- unite