Final answer:
The four orders of spiritual developments in Ismailism are Shari'ah (outer law), Tariqah (spiritual path), Haqiqah (ultimate truth), and Marifah (knowledge of God).
Step-by-step explanation:
The four orders of spiritual developments in Ismailism, in order of ascension, are a) Shari'ah, Tariqah, Haqiqah, and Marifah. These stages represent a believer's journey towards spiritual enlightenment and understanding within Ismailism, a branch of Shia Islam.
- Shari'ah - the outer law which governs the daily actions and behavior of believers.
- Tariqah - the spiritual path or way towards higher understanding.
- Haqiqah - the level of truth, revealing the ultimate reality beyond any form.
- Marifah - the mystical knowledge and awareness of God, as the believer becomes one with the divine.