Answer:
Faith in Islam is the moral ground and basis for action and not a dogmatic assertion of salvation-justification like Christianity. The well-being of man, therefore, depends upon faith that is accompanied by good actions.
Definition of faith in Islam:
The intended meaning of faith in Islam is important for us to understand, as mistaken definitions of faith have caused a number of problems in early Islamic history up until the present time. However, the righteous predecessors had a clear definition of faith that should serve as the basis of our understanding of Islam.