What does "stardom" mean?

The status or position of a performer acknowledged to be a star; fame; celebrity.

What is a synonym for "stardom"?

Common synonyms include: celebrity, celebrity status, fame, preeminence, prestige, prominence.

/ˈstɑɹdəm/ noun

noun ·Rare ·Advanced level

Noun

1
The status or position of a performer acknowledged to be a star; fame; celebrity. countable, uncountable
2
the status of being acknowledged as a star wordnet

"She rose to stardom when she was just twelve."

From star + -dom.