opening night 
noun
The first night of a theatrical play or other entertainment.In most cases, we would probably still be there in the theatre on an interminable opening night....
- Days away from the opening night of the end of term musical, the leading lady is knocked unconscious.
- Avery has a strong art background but also went to a school of performing and visual arts, which helps him incorporate the visual aesthetics of performance and entertainment into opening nights.
- other-regard
- other-regarding
- other-regardingness
- other side
- othersider
- othersome
- other than
- other thing
- othertime
- othertimes
- otherwards
- otherways
- otherwhat
- otherwhere
- otherwheres
- otherwhither
- otherwise
- otherwise-minded
- otherwise-mindedness
- otherwiseness
- other woman
- other world
- other-worldish
- otherworldism
- other-worldliness