Answer:

unbolts

Answer	Crossword Clue
UNBOLTS	Opens, as a gate
UNBOLTS	Opens, as a door
UNBOLTS	Opens, in a way

UNBOLTS	Opens, as the barn door
UNBOLTS	Releases

Crossword

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