Answer:

niceties

Answer	Crossword Clue
NICETIES	Special touches
NICETIES	Subtle differences
NICETIES	Elegant features

NICETIES	Refined features
NICETIES	Subtle details.
NICETIES	Fine points

Crossword

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