IPA: /ˈpleɪˌɡoʊər/
KK: /ˈpleɪˌɡoʊər/
A person who goes to watch plays or performances at a theater.
As a dedicated playgoer, she attends every new show that opens in town.
Playgoer → It is formed from "play" (from Old English *plegian*, meaning to engage in activity or amusement) and "goer" (from Old English *gān*, meaning one who goes). A playgoer is someone who goes to engage in the activity of watching a play.
Think of someone who 'goes' ('goer') to 'engage in activity' ('play') — that's what a playgoer does.