A long loose black garment worn by academics is typically called a robe or academic gown. It is often worn during formal academic ceremonies such as graduations, convocations, and other ceremonial events.
Geneva Gown...
Habit
Geneva gown
kimono!
Loose arab garments
An Arab cloak is called an "Aba". It is a long, loose sleeveless outer garment of fine silk.Burnoose is a hooded cloak.The headscarf is known as a "hijab", while the cloak is known as an "abaya"
Most likely a blouse =)))))))))))
A toga.
Gown
enrobe
Most likely a blouse =)))))))))))