Answer:

fill

Answer	Crossword Clue
FILL	Do some dentistry
FILL	"The war on ..." (trend of declining quality in crossword words)
FILL	Permeate

FILL	Leave no room in
FILL	Builder's truckload
FILL	Attend to, as a job opening
FILL	All one can stand
FILL	Supply with facts, with "in"
FILL	All you can eat
FILL	Top off
FILL	Stuff

FILL	Jam to capacity
FILL	Occupy to capacity
FILL	Execute, as a customer order
FILL	Meet, as needs
FILL	Eliminate, as a vacancy
FILL	Overstuff
FILL	Eliminate a vacuum
FILL	".. 'er up!"

FILL	Satisfy
FILL	Jam-pack
FILL	Satisfy, as requests
FILL	Sate
FILL	Satisfying amount
FILL	Plug
FILL	Permeate.
FILL	Occupy.

FILL	Suffuse.
FILL	Enough to satisfy want.
FILL	Be a substitute (with "in").
FILL	Pack in as much as possible.
FILL	Execute (a business order).
FILL	Pervade.
FILL	Satiate.
FILL	Enough to satisfy.

FILL	Occupy wholly.
FILL	Satisfy.
FILL	Occupy
FILL	Repair a tooth
FILL	"... 'er up!"