an opening is a gap or break in a surface, wall, or object that allows for passage or movement from one area to another. It can also refer to the beginning of a space, activity, performance, or event.
1. He discovered an unexpected opening in the fence which they could use as a secret entrance.
2. The opening of the ballet was absolutely breathtaking.
3. They perfected the timing of the opening for the fireworks display.
it is important to note that an opening can also refer to the start of a social occasion such as a dinner party or a religious ceremony. Additionally, in certain contexts, it can be useful to use synonyms such as 'passage,' 'opening-up,' 'start,' or 'commencement.'