Answer: fill

AnswerCrossword Clue
FILLExecute (a business order).
FILLSatisfy, as requests
FILLSate
FILLSatisfying amount
FILLPlug
FILLPermeate.
FILLOccupy.
FILLSuffuse.
FILLEnough to satisfy want.
FILLBe a substitute (with "in").
FILLPack in as much as possible.
FILLJam-pack
FILLPervade.
FILLSatiate.
FILLEnough to satisfy.
FILLOccupy wholly.
FILLSatisfy.
FILLOccupy
FILLRepair a tooth
FILL"... 'er up!"
fillsupply as directed fill a prescription
FILLStuff
FILL"The war on ..." (trend of declining quality in crossword words)
FILLPermeate
FILLLeave no room in
FILLBuilder's truckload
FILLAttend to, as a job opening
FILLAll one can stand
FILLSupply with facts, with "in"
FILLAll you can eat
FILLTop off
FILLDo some dentistry
FILLJam to capacity
FILLOccupy to capacity
FILLExecute, as a customer order
FILLMeet, as needs
FILLEliminate, as a vacancy
FILLOverstuff
FILLEliminate a vacuum
FILL".. 'er up!"