pin down (v.)
- allocate
- anchor
- assign
- balance
- ballast
- bind
- bridle
- chain
- collocate
- counterbalance
- denominate
- deploy
- designate
- determine
- dispose
- emplace
- enchain
- fasten
- fetter
- firm
- fix
- freeze
- hamper
- handcuff
- hobble
- hog-tie
- hold
- hopple
- immobilize
- indicate
- install
- keep
- lash
- leash
- localize
- locate
- manacle
- mark
- mention
- moor
- name
- navigate
- picket
- pinion
- pinpoint
- place
- position
- restrain
- retain
- rope
- secure
- select
- set
- shackle
- signify
- situate
- specialize
- specify
- spot
- stabilize
- state
- steady
- stick
- stipulate
- strap
- tether
- tie
- trammel
- transfix
- triangulate