1. Situated or taking place on the area of a stage visible to the audience

1. On the stage
   "it was time for her to go onstage"

Antonym: offstage

• officer's mess
• official
• official document
• official emissary
• official immunity
• officialdom
• officialese
• officialise
• officialism
• officialize
• officially
• officiant
• officiate
• officiating
• officiation
• officiator
• officinal
• officious
• officiously
• officiousness
• offing
• offish
• offload
• offprint
• offsaddle