How do you use the word baptism in a sentence?

Baptism can mean a religious ceremony where you are symbolically cleansed of sin. Sentences for this would be the following.

• I had my baptism last Sunday and now I am a full member of the church.
• Do you want to have a baptism and accept God into your life?

Baptism can also mean any event or ordeal that changes you significantly for the better. Here are some sentences.

• Jose was thrown into the job without any training, and after this baptism by fire, he learned how to do everything.
• This is a real baptism into how the real world works!