Answer:

POLISH

Answer	Crossword Clue
POLISH	Refinement
POLISH	Make shiny
POLISH	Knock (off)

POLISH	Put the finishing touches on
POLISH	Buff
POLISH	Like Pope John Paul II
POLISH	Elegance
POLISH	Culture
POLISH	Shine
POLISH	Give a shine to
POLISH	Make shoes shine

POLISH	Social asset
POLISH	Spit's partner
POLISH	Nail covering
POLISH	Copernicus' nationality.
POLISH	Nationality of Boleslaw Beirut.
POLISH	"Corridor" along the Vistula, created by Treaty of Versailles.
POLISH	Culture.
POLISH	Elegance.

POLISH	Shine.
POLISH	Wax.
POLISH	Kosciuszko, for one
POLISH	Do a shoe job
POLISH	Suavity
POLISH	... off (do in a hurry)
POLISH	... off (finish)
POLISH	Luster

POLISH	Cultivation
POLISH	Burnish
POLISH	Buff pumps
POLISH	Beeswax
POLISH	Shoeboy's offering
POLISH	Like Chopin
POLISH	Like kielbasa and pierogi
POLISH	Touch up, like a candidate for office?

POLISH	Smoothness
POLISH	Shoe shiner
POLISH	Spiff up
POLISH	Coming from Krakow
POLISH	Sausage type