(lit. sound, healthy, correct) said of a valid contract, opp. of bƒtil. A hadith of the highest level of authentication.
Ijarah Contract
Al-sariqah
Zakah al-‘ain
Participation
Iltizam
Wakalah bi al-Istithmar
Al-rushd
Mu’allafatul qulub
Shura
Profit Equalization Reserve