1.
In some religions, when someone goes to heaven, you can refer to their ~ to heaven.
...the two-day holiday marking the Prophet’s ~ to heaven.
N-SING: with poss
2.
The ~ of a person to a high rank or important position is the act of reaching this position. (WRITTEN)
...50 years after his ~ to the Cambodian throne.
N-SING: with poss, usu N to n