Communion (noun)

1. The sharing or exchange of intimate thoughts and feelings, especially when the exchange is on a mental or spiritual level.
2. The sharing of bread and wine in a Christian church service as a symbol of the body and blood of Jesus Christ.

Origin:

Middle english: via old french from latin communio(n-), from communis "common".

Examples:

1. The couple had a deep communion of the mind and spirit.
2. The couple had a deep communion of the hearts.
3. The congregation took communion during the Sunday service.
4. The congregation took communion as a reminder of their faith.
5. The congregation took communion as a symbol of unity.