Answer:

freshen

Answer	Crossword Clue
FRESHEN	... up (wash, change clothes, etc.)
FRESHEN	Renew
FRESHEN	Top off

FRESHEN	Air out
FRESHEN	Refill
FRESHEN	Wash (up)
FRESHEN	Become vigorous.
FRESHEN	Give a new look.
FRESHEN	Revive.
FRESHEN	Top off, as someone's drink
FRESHEN	Add more to, as someone's drink

FRESHEN	Rejuvenate
FRESHEN	Add ice, as to an old drink
FRESHEN	Get clean (with "up")
FRESHEN	Top off, as a drink

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.