1.An unbeliever with respect to a particular religion, especially Christianity or Islam. One who has no religious beliefs. Reliance on reason as the best guide for belief and action. The theory that the exercise of reason, rather than the acceptance of empiricism, authority, or spiritual revelation, provides the only valid basis for action or belief and that reason is the prime source of knowledge and of spiritual truth. Again, notice no reference to evil or immorality.
Humanists are by definition worldly.
To develop or achieve gradually.