Answer:

extends

AnswerCrossword Clue
EXTENDSStretches
EXTENDSLengthens
EXTENDSDraws out
EXTENDSWidens
EXTENDSGoes further
EXTENDSAdds on to
EXTENDSPushes back, as a deadline
EXTENDSMakes available
EXTENDSStretches out
EXTENDSHolds out
EXTENDSDraws out.
EXTENDSProlongs.
EXTENDSHolds out.
EXTENDSProlongs
EXTENDSSpreads out
EXTENDSKeeps going
EXTENDSOffers
EXTENDSRenews, say