Answer:

upgrade

AnswerCrossword Clue
UPGRADEImprovement
UPGRADESoftware improvement
UPGRADERoomier airplane seat, say
UPGRADEGo from coach to business, say
UPGRADEImproved model
UPGRADEBetter
UPGRADEAscent toward a better state.
UPGRADEUse a higher standard.
UPGRADEPromote.
UPGRADEPromote in rank
UPGRADERaise in importance
UPGRADEMarathoner's challenge
UPGRADEIncline
UPGRADEStay current, computerwise
UPGRADEModernize
UPGRADEBetter model
UPGRADEAscending slope
UPGRADESoftware offering
UPGRADEOne way to get into business