Answer:

masterpiece

Answer	Crossword Clue
MASTERPIECE	Gem
MASTERPIECE	No ordinary creation
MASTERPIECE	A chef-d'oeuvre.

MASTERPIECE	"Othello," for instance.
MASTERPIECE	Capital performance.
MASTERPIECE	New book by Thomas Hoving
MASTERPIECE	Magnum opus
MASTERPIECE	Great work

Crossword

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