Answer: spiffed

AnswerCrossword Clue
SPIFFEDImproved one's appearance (with "up")
spiffedto reward (a salesperson) with a spiff
spiffedSPIFF, to make stylish (fashionable)
spiffedbonus or other form of remuneration given to retail salespeople for promoting the products of a particular manufacturer
spiffedto make spiffy (usually fol. by up)