opening stage

noun
UK /ˈəʊpənɪŋ steɪdʒ/
US /ˈoʊpənɪŋ steɪdʒ/

The opening stage is the first part of something, like the beginning of a game or a show.

The dancers waited backstage during the opening stage of the performance.


OTHER MEANINGS

2. The first period of a competition or tournament, such as the group matches before the knockout rounds.

Our team won all three matches in the opening stage of the tournament.

3. The early part of a process or project, before the main work begins.

We spent the opening stage of the project just gathering ideas.

4. The first section of a rocket or machine that operates before later parts.

The rocket's opening stage lifted it off the ground.