Saadet
Yes. Saadet is derived from the Arabic noun سعادة (sa‘ādah) meaning happiness or felicity; the form Saadet reflects Ottoman Turkish transcription and usage.
The specific name form 'Saadet' does not appear as a proper name in the Quran. The root related to happiness appears in Arabic vocabulary used throughout Islamic literature.
Saadet is relatively rare in contemporary naming; it survives mainly in families with Ottoman-Turkic or Bosnian cultural ties.
Common diminutives in Turkish-speaking contexts include 'Saa' or 'Sade' though usage of nicknames varies by family preference.
Yes. Saadet is an acceptable Muslim name conveying a positive virtue and has historical usage among Muslim communities influenced by Ottoman naming practices.