1. decease - Noun
2. decease - Verb
Departure, especially departure from this life; death.
To depart from this life; to die; to pass away.
Source: Webster's dictionaryShe died from cancer Source: Internet
The children perished in the fire Source: Internet
The patient went peacefully Source: Internet
The old guy kicked the bucket at the age of 102 Source: Internet
her death came as a terrible shock Source: Internet
upon your decease the capital will pass to your grandchildren Source: Internet