Answer:

overturn

Answer	Crossword Clue
OVERTURN	Reverse, legally
OVERTURN	Capsize
OVERTURN	Upset

OVERTURN	Reverse
OVERTURN	Capsize.
OVERTURN	Subvert basketball gaffe
OVERTURN	Topple
OVERTURN	Execute a coup
OVERTURN	REVO

Crossword

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