balance
break bulk
break out ballast
clear for action
clear the decks
consideration
counterbalance
counterpoise
counterweight
equipoise
equivalent
firm
firm up
freeze
give-and-take
hold
immobilize
keep
lead
makeweight
nail down
offset
pin down
poise
quid pro quo
retain
sandbag
setoff
shift ballast
shoot ballast
something of value
stabilitate
stabilize
steady
stick
tit for tat
transfix
trim
trim ship
trim up
weigh down
weight
weight down
wing out ballast
attribute
brace
crushed rock
electrical device
gravel
material
resistance
resistor
stabilise
stuff
ballasted
ballasting
ballasts
baggage
slag
sub-ballast
sump
calloused