Crossword Clue:

to put on ones best clothing

AnswerCrossword Clue
DRESSTOTHENINESPut on one's best
DRESSUPPut on one's best.
DRESSUPPut on one's Sunday best
DRESSTOKILLPut on one's Sunday best
DOLLUPPut on one's best bib and tucker.
AIRSNot the best thing to put on
HOTELBest thing to put on Mediterranean Avenue