Other crossword clues for answer "SPIFF"SPIFFSpruce (up)__ up (make stylish)Smarten (up)Calvin's spaceman alter ego, in comics__ up (improve the look of)Adorn, with "up"__ up (neaten)Splendid: Slang.Neaten, with "up"Neaten (up)Calvin's alter ego Spaceman ___Equivalent of spruce___ up (improve the look of)Salesman's reward, slangilySalesman's reward___ up (make more stylish)___ up (make stylish)