* "Happiness" or "joy": This is the most common meaning of the name. It is often used as a name for girls.
* "One who is happy": This meaning emphasizes the personality traits associated with the name.
There is no definitive answer to what "Sadiya" means, as the specific meaning can vary depending on the context and personal interpretation. However, the overall message conveyed by the name is positive and optimistic, reflecting happiness and joy.