1. Inscrutable: Hard to grasp
2. Vicissitudes: Natural changes or mutations visible in nature or human affairs
3. Incredulous: Disbelieving, skeptical
4. Baffled: Defeated by confusion or puzzlement
5. Demure: Reserved, modest
6. Contrite: Expressing remorse for one's sins or shortcomings
7. Susurration: a whispering sound
8. Abyss: An immeasurable deep gulf or great space