opening

Pertaining to the start or beginning of a series of events.

The opening theme of Beethoven's Fifth Symphony is, perhaps, the most recognizable in all of European art music.

The opening act of the battle for Fort Sumter was the firing of a single 10-inch mortar round from Fort Johnson at 4:30 a.m. on April 12, 1861, by Lt. Henry S. Farley, who acted upon the command of Capt. George S. James, which round exploded over Fort Sumter as a signal to open the general bombardment from 43 guns and mortars at Fort Moultrie, Fort Johnson, the floating battery, and Cummings Point.

Of the first period of play, usually up to the fall of the first wicket.

Of the batsman who opens the innings or of a bowler who opens the attack.

An act or instance of making or becoming open.

The daily openings of the day lily bloom gives it its name.

He remembered fondly the Christmas morning opening of presents.

A gap permitting passage through.

A salamander darted out of an opening in the rocks.

He slipped through an opening in the crowd.

An act or instance of beginning.

There have been few factory and store openings in the US lately.

Their opening of the concert with Brass in Pocket always fires up the crowd.

Something that is a beginning.

They were disappointed at the turnout for their opening, but hoped that word would spread.

Something that is a beginning.

The French openings decided that satin gowns, suits, wraps and even hats were to be in first fashion this autumn.