Answer:

pivotal

Answer	Crossword Clue
PIVOTAL	Of the utmost importance
PIVOTAL	Key
PIVOTAL	Like a deciding moment

PIVOTAL	Vitally important
PIVOTAL	Very important
PIVOTAL	Crucial
PIVOTAL	Kind of point
PIVOTAL	Of vital importance

Crossword

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